51152755616 has 12 divisors (see below), whose sum is σ = 100706987682. Its totient is φ = 25576377792.

The previous prime is 51152755613. The next prime is 51152755639. The reversal of 51152755616 is 61655725115.

51152755616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38832643600 + 12320112016 = 197060^2 + 110996^2 .

It is a super-2 number, since 2×51152755616² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51152755613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799261775 + ... + 799261838.

Almost surely, 2^51152755616 is an apocalyptic number.

It is an amenable number.

51152755616 is a deficient number, since it is larger than the sum of its proper divisors (49554232066).

51152755616 is a wasteful number, since it uses less digits than its factorization.

51152755616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598523623 (or 1598523615 counting only the distinct ones).

The product of its digits is 315000, while the sum is 44.

The spelling of 51152755616 in words is "fifty-one billion, one hundred fifty-two million, seven hundred fifty-five thousand, six hundred sixteen".