111520552045040 has 40 divisors (see below), whose sum is σ = 259300151467728. Its totient is φ = 44605662888960.

The previous prime is 111520552045027. The next prime is 111520552045043. The reversal of 111520552045040 is 40540255025111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111520552045043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38563481 + ... + 41354360.

Almost surely, 2^{111520552045040} is an apocalyptic number.

111520552045040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111520552045040 is an abundant number, since it is smaller than the sum of its proper divisors (147779599422688).

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

111520552045040 is a wasteful number, since it uses less digits than its factorization.

111520552045040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79935297 (or 79935291 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 111520552045040 in words is "one hundred eleven trillion, five hundred twenty billion, five hundred fifty-two million, forty-five thousand, forty".