53231541115551 has 16 divisors (see below), whose sum is σ = 72706798600800. Its totient is φ = 34621996078080.

The previous prime is 53231541115517. The next prime is 53231541115583. The reversal of 53231541115551 is 15551114513235.

It is not a de Polignac number, because 53231541115551 - 2¹⁰ = 53231541114527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53231541114551) 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, 34221975 + ... + 35743623.

It is an arithmetic number, because the mean of its divisors is an integer number (4544174912550).

Almost surely, 2^{53231541115551} is an apocalyptic number.

53231541115551 is a deficient number, since it is larger than the sum of its proper divisors (19475257485249).

53231541115551 is a wasteful number, since it uses less digits than its factorization.

53231541115551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806106.

The product of its digits is 225000, while the sum is 42.

Adding to 53231541115551 its reverse (15551114513235), we get a palindrome (68782655628786).

The spelling of 53231541115551 in words is "fifty-three trillion, two hundred thirty-one billion, five hundred forty-one million, one hundred fifteen thousand, five hundred fifty-one".