51141164061525 has 48 divisors (see below), whose sum is σ = 90413527503168. Its totient is φ = 25416691840000.

The previous prime is 51141164061521. The next prime is 51141164061527. The reversal of 51141164061525 is 52516046114115.

It is a happy number.

It is not a de Polignac number, because 51141164061525 - 2² = 51141164061521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51141164061521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198439131 + ... + 198696680.

It is an arithmetic number, because the mean of its divisors is an integer number (1883615156316).

Almost surely, 2^{51141164061525} is an apocalyptic number.

It is an amenable number.

51141164061525 is a deficient number, since it is larger than the sum of its proper divisors (39272363441643).

51141164061525 is a wasteful number, since it uses less digits than its factorization.

51141164061525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397135942 (or 397135937 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 51141164061525 in words is "fifty-one trillion, one hundred forty-one billion, one hundred sixty-four million, sixty-one thousand, five hundred twenty-five".