1009172926512 has 80 divisors (see below), whose sum is σ = 2903997034080. Its totient is φ = 335543586048.

The previous prime is 1009172926481. The next prime is 1009172926537. The reversal of 1009172926512 is 2156292719001.

1009172926512 is a `hidden beast` number, since 1 + 0 + 0 + 91 + 7 + 29 + 26 + 512 = 666.

1009172926512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1009172926512² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770623 + ... + 3113630.

It is an arithmetic number, because the mean of its divisors is an integer number (36299962926).

Almost surely, 2^{1009172926512} is an apocalyptic number.

1009172926512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1009172926512 is an abundant number, since it is smaller than the sum of its proper divisors (1894824107568).

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

1009172926512 is a wasteful number, since it uses less digits than its factorization.

1009172926512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884667 (or 5884655 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 1009172926512 in words is "one trillion, nine billion, one hundred seventy-two million, nine hundred twenty-six thousand, five hundred twelve".