109756120448856 has 128 divisors (see below), whose sum is σ = 322310952921600. Its totient is φ = 30498240199680.

The previous prime is 109756120448837. The next prime is 109756120448857. The reversal of 109756120448856 is 658844021657901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109756120448857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59256490 + ... + 61080633.

It is an arithmetic number, because the mean of its divisors is an integer number (2518054319700).

Almost surely, 2^{109756120448856} is an apocalyptic number.

It is an amenable number.

109756120448856 is an abundant number, since it is smaller than the sum of its proper divisors (212554832472744).

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

109756120448856 is a wasteful number, since it uses less digits than its factorization.

109756120448856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120337289 (or 120337285 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 66.

The spelling of 109756120448856 in words is "one hundred nine trillion, seven hundred fifty-six billion, one hundred twenty million, four hundred forty-eight thousand, eight hundred fifty-six".