51033248451 has 32 divisors (see below), whose sum is σ = 78230476800. Its totient is φ = 32845871520.

The previous prime is 51033248443. The next prime is 51033248503. The reversal of 51033248451 is 15484233015.

51033248451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51033248451 - 2³ = 51033248443 is a prime.

It is a super-2 number, since 2×51033248451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51033248051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277945 + ... + 423461.

It is an arithmetic number, because the mean of its divisors is an integer number (2444702400).

Almost surely, 2^51033248451 is an apocalyptic number.

51033248451 is a deficient number, since it is larger than the sum of its proper divisors (27197228349).

51033248451 is a wasteful number, since it uses less digits than its factorization.

51033248451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145976 (or 145970 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 51033248451 in words is "fifty-one billion, thirty-three million, two hundred forty-eight thousand, four hundred fifty-one".