105103764972 has 96 divisors (see below), whose sum is σ = 280290447360. Its totient is φ = 34040381760.

The previous prime is 105103764917. The next prime is 105103764979. The reversal of 105103764972 is 279467301501.

105103764972 is a `hidden beast` number, since 1 + 0 + 510 + 3 + 7 + 64 + 9 + 72 = 666.

It is a super-2 number, since 2×105103764972² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105103764979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827758 + ... + 946250.

It is an arithmetic number, because the mean of its divisors is an integer number (2919692160).

Almost surely, 2^105103764972 is an apocalyptic number.

105103764972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105103764972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140145223680).

105103764972 is an abundant number, since it is smaller than the sum of its proper divisors (175186682388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105103764972 is a wasteful number, since it uses less digits than its factorization.

105103764972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118740 (or 118732 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 105103764972 in words is "one hundred five billion, one hundred three million, seven hundred sixty-four thousand, nine hundred seventy-two".