120111135504 has 40 divisors (see below), whose sum is σ = 328539284640. Its totient is φ = 37681924608.

The previous prime is 120111135493. The next prime is 120111135541. The reversal of 120111135504 is 405531111021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73596694 + ... + 73598325.

It is an arithmetic number, because the mean of its divisors is an integer number (8213482116).

Almost surely, 2^120111135504 is an apocalyptic number.

It is an amenable number.

120111135504 is an abundant number, since it is smaller than the sum of its proper divisors (208428149136).

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

120111135504 is a wasteful number, since it uses less digits than its factorization.

120111135504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147195047 (or 147195041 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 120111135504 its reverse (405531111021), we get a palindrome (525642246525).

The spelling of 120111135504 in words is "one hundred twenty billion, one hundred eleven million, one hundred thirty-five thousand, five hundred four".