109028951556 has 72 divisors (see below), whose sum is σ = 300103949376. Its totient is φ = 30712368960.

The previous prime is 109028951527. The next prime is 109028951557. The reversal of 109028951556 is 655159820901.

It is a super-2 number, since 2×109028951556² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 109028951499 and 109028951508.

It is not an unprimeable number, because it can be changed into a prime (109028951557) 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, 1264051 + ... + 1347546.

It is an arithmetic number, because the mean of its divisors is an integer number (4168110408).

Almost surely, 2^109028951556 is an apocalyptic number.

It is an amenable number.

109028951556 is an abundant number, since it is smaller than the sum of its proper divisors (191074997820).

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

109028951556 is a wasteful number, since it uses less digits than its factorization.

109028951556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611689 (or 2611680 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 51.

The spelling of 109028951556 in words is "one hundred nine billion, twenty-eight million, nine hundred fifty-one thousand, five hundred fifty-six".