100969091955 has 24 divisors (see below), whose sum is σ = 176272190640. Its totient is φ = 53462767680.

The previous prime is 100969091917. The next prime is 100969091959. The reversal of 100969091955 is 559190969001.

It is not a de Polignac number, because 100969091955 - 2¹³ = 100969083763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100969091959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8064816 + ... + 8077325.

It is an arithmetic number, because the mean of its divisors is an integer number (7344674610).

Almost surely, 2^100969091955 is an apocalyptic number.

100969091955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100969091955 is a deficient number, since it is larger than the sum of its proper divisors (75303098685).

100969091955 is a wasteful number, since it uses less digits than its factorization.

100969091955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142291 (or 16142288 counting only the distinct ones).

The product of its (nonzero) digits is 984150, while the sum is 54.

The spelling of 100969091955 in words is "one hundred billion, nine hundred sixty-nine million, ninety-one thousand, nine hundred fifty-five".