111534025442 has 64 divisors (see below), whose sum is σ = 211351472640. Its totient is φ = 43011910656.

The previous prime is 111534025441. The next prime is 111534025451. The reversal of 111534025442 is 244520435111.

It is a junction number, because it is equal to n+sod(n) for n = 111534025399 and 111534025408.

It is not an unprimeable number, because it can be changed into a prime (111534025441) 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, 16621184 + ... + 16627892.

It is an arithmetic number, because the mean of its divisors is an integer number (3302366760).

Almost surely, 2^111534025442 is an apocalyptic number.

111534025442 is a deficient number, since it is larger than the sum of its proper divisors (99817447198).

111534025442 is a wasteful number, since it uses less digits than its factorization.

111534025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 111534025442 in words is "one hundred eleven billion, five hundred thirty-four million, twenty-five thousand, four hundred forty-two".