100792171485 has 12 divisors (see below), whose sum is σ = 174706430652. Its totient is φ = 53755824768.

The previous prime is 100792171481. The next prime is 100792171507. The reversal of 100792171485 is 584171297001.

It is a happy number.

100792171485 is a `hidden beast` number, since 10 + 0 + 7 + 92 + 1 + 71 + 485 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24203269476 + 76588902009 = 155574^2 + 276747^2 .

It is not a de Polignac number, because 100792171485 - 2² = 100792171481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2239826033 = 100792171485 / (1 + 0 + 0 + 7 + 9 + 2 + 1 + 7 + 1 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 100792171485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100792171481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119912972 + ... + 1119913061.

It is an arithmetic number, because the mean of its divisors is an integer number (14558869221).

Almost surely, 2^100792171485 is an apocalyptic number.

100792171485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100792171485 is a deficient number, since it is larger than the sum of its proper divisors (73914259167).

100792171485 is a wasteful number, since it uses less digits than its factorization.

100792171485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239826044 (or 2239826041 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 100792171485 in words is "one hundred billion, seven hundred ninety-two million, one hundred seventy-one thousand, four hundred eighty-five".