111520155041 has 8 divisors (see below), whose sum is σ = 111757308168. Its totient is φ = 111283200000.

The previous prime is 111520155037. The next prime is 111520155059. The reversal of 111520155041 is 140551025111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16966365025 + 94553790016 = 130255^2 + 307496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111520155041 - 2² = 111520155037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111520155041.

It is not an unprimeable number, because it can be changed into a prime (111520155001) 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, 1106141 + ... + 1202741.

It is an arithmetic number, because the mean of its divisors is an integer number (13969663521).

Almost surely, 2^111520155041 is an apocalyptic number.

It is an amenable number.

111520155041 is a deficient number, since it is larger than the sum of its proper divisors (237153127).

111520155041 is an equidigital number, since it uses as much as digits as its factorization.

111520155041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99043.

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 111520155041 in words is "one hundred eleven billion, five hundred twenty million, one hundred fifty-five thousand, forty-one".