53015331111 has 16 divisors (see below), whose sum is σ = 72435792000. Its totient is φ = 34471594080.

The previous prime is 53015331071. The next prime is 53015331167. The reversal of 53015331111 is 11113351035.

It is a happy number.

It is not a de Polignac number, because 53015331111 - 2⁷ = 53015330983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53015331211) 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, 208236 + ... + 386513.

It is an arithmetic number, because the mean of its divisors is an integer number (4527237000).

Almost surely, 2^53015331111 is an apocalyptic number.

53015331111 is a deficient number, since it is larger than the sum of its proper divisors (19420460889).

53015331111 is a wasteful number, since it uses less digits than its factorization.

53015331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595486.

The product of its (nonzero) digits is 675, while the sum is 24.

Adding to 53015331111 its reverse (11113351035), we get a palindrome (64128682146).

It can be divided in two parts, 53015 and 331111, that added together give a triangular number (384126 = T₈₇₆).

The spelling of 53015331111 in words is "fifty-three billion, fifteen million, three hundred thirty-one thousand, one hundred eleven".