51552353111 has 24 divisors (see below), whose sum is σ = 62826067584. Its totient is φ = 42097902000.

The previous prime is 51552353107. The next prime is 51552353129. The reversal of 51552353111 is 11135325515.

It is not a de Polignac number, because 51552353111 - 2² = 51552353107 is a prime.

It is a super-2 number, since 2×51552353111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552353101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191756 + ... + 373998.

It is an arithmetic number, because the mean of its divisors is an integer number (2617752816).

Almost surely, 2^51552353111 is an apocalyptic number.

51552353111 is a deficient number, since it is larger than the sum of its proper divisors (11273714473).

51552353111 is a wasteful number, since it uses less digits than its factorization.

51552353111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182531 (or 182524 counting only the distinct ones).

The product of its digits is 11250, while the sum is 32.

Adding to 51552353111 its reverse (11135325515), we get a palindrome (62687678626).

The spelling of 51552353111 in words is "fifty-one billion, five hundred fifty-two million, three hundred fifty-three thousand, one hundred eleven".