51023135132 has 12 divisors (see below), whose sum is σ = 90157385136. Its totient is φ = 25263882240.

The previous prime is 51023135101. The next prime is 51023135167. The reversal of 51023135132 is 23153132015.

51023135132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61920869 + ... + 61921692.

It is an arithmetic number, because the mean of its divisors is an integer number (7513115428).

Almost surely, 2^51023135132 is an apocalyptic number.

It is an amenable number.

51023135132 is a deficient number, since it is larger than the sum of its proper divisors (39134250004).

51023135132 is a wasteful number, since it uses less digits than its factorization.

51023135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123842668 (or 123842666 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 51023135132 its reverse (23153132015), we get a palindrome (74176267147).

The spelling of 51023135132 in words is "fifty-one billion, twenty-three million, one hundred thirty-five thousand, one hundred thirty-two".