52121648632551 has 16 divisors (see below), whose sum is σ = 70171589289984. Its totient is φ = 34409749787424.

The previous prime is 52121648632507. The next prime is 52121648632553. The reversal of 52121648632551 is 15523684612125.

It is not a de Polignac number, because 52121648632551 - 2¹⁰ = 52121648631527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52121648632494 and 52121648632503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121648632553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14815185 + ... + 17992581.

It is an arithmetic number, because the mean of its divisors is an integer number (4385724330624).

Almost surely, 2^{52121648632551} is an apocalyptic number.

52121648632551 is a deficient number, since it is larger than the sum of its proper divisors (18049940657433).

52121648632551 is a wasteful number, since it uses less digits than its factorization.

52121648632551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230590.

The product of its digits is 3456000, while the sum is 51.

The spelling of 52121648632551 in words is "fifty-two trillion, one hundred twenty-one billion, six hundred forty-eight million, six hundred thirty-two thousand, five hundred fifty-one".