109487157756 has 12 divisors (see below), whose sum is σ = 255470034792. Its totient is φ = 36495719248.

The previous prime is 109487157749. The next prime is 109487157781. The reversal of 109487157756 is 657751784901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 109487157756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4561964895 + ... + 4561964918.

It is an arithmetic number, because the mean of its divisors is an integer number (21289169566).

Almost surely, 2^109487157756 is an apocalyptic number.

It is an amenable number.

109487157756 is an abundant number, since it is smaller than the sum of its proper divisors (145982877036).

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

109487157756 is a wasteful number, since it uses less digits than its factorization.

109487157756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123929820 (or 9123929818 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 60.

The spelling of 109487157756 in words is "one hundred nine billion, four hundred eighty-seven million, one hundred fifty-seven thousand, seven hundred fifty-six".