11520532120102 has 32 divisors (see below), whose sum is σ = 19093180322304. Its totient is φ = 5185623273600.

The previous prime is 11520532120049. The next prime is 11520532120169. The reversal of 11520532120102 is 20102123502511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70040577 + ... + 70204867.

It is an arithmetic number, because the mean of its divisors is an integer number (596661885072).

Almost surely, 2^{11520532120102} is an apocalyptic number.

11520532120102 is a deficient number, since it is larger than the sum of its proper divisors (7572648202202).

11520532120102 is a wasteful number, since it uses less digits than its factorization.

11520532120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254004.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11520532120102 its reverse (20102123502511), we get a palindrome (31622655622613).

The spelling of 11520532120102 in words is "eleven trillion, five hundred twenty billion, five hundred thirty-two million, one hundred twenty thousand, one hundred two".