111520415141 has 4 divisors (see below), whose sum is σ = 112143434400. Its totient is φ = 110897395884.

The previous prime is 111520415113. The next prime is 111520415143. The reversal of 111520415141 is 141514025111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111520415141 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 111520415141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111520415143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311509361 + ... + 311509718.

It is an arithmetic number, because the mean of its divisors is an integer number (28035858600).

Almost surely, 2^111520415141 is an apocalyptic number.

It is an amenable number.

111520415141 is a deficient number, since it is larger than the sum of its proper divisors (623019259).

111520415141 is an equidigital number, since it uses as much as digits as its factorization.

111520415141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623019258.

The product of its (nonzero) digits is 800, while the sum is 26.

The spelling of 111520415141 in words is "one hundred eleven billion, five hundred twenty million, four hundred fifteen thousand, one hundred forty-one".