52120556345121 has 32 divisors (see below), whose sum is σ = 81499719628800. Its totient is φ = 29288961708480.

The previous prime is 52120556345113. The next prime is 52120556345131. The reversal of 52120556345121 is 12154365502125.

It is a happy number.

It is not a de Polignac number, because 52120556345121 - 2³ = 52120556345113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52120556345131) 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, 884299086 + ... + 884358023.

It is an arithmetic number, because the mean of its divisors is an integer number (2546866238400).

Almost surely, 2^{52120556345121} is an apocalyptic number.

It is an amenable number.

52120556345121 is a deficient number, since it is larger than the sum of its proper divisors (29379163283679).

52120556345121 is a wasteful number, since it uses less digits than its factorization.

52120556345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768657189.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 52120556345121 in words is "fifty-two trillion, one hundred twenty billion, five hundred fifty-six million, three hundred forty-five thousand, one hundred twenty-one".