51510151045 has 64 divisors (see below), whose sum is σ = 68706247680. Its totient is φ = 36896735232.

The previous prime is 51510151019. The next prime is 51510151051. The reversal of 51510151045 is 54015101515.

It is a cyclic number.

It is not a de Polignac number, because 51510151045 - 2²¹ = 51508053893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87751242 + ... + 87751828.

It is an arithmetic number, because the mean of its divisors is an integer number (1073535120).

Almost surely, 2^51510151045 is an apocalyptic number.

It is an amenable number.

51510151045 is a deficient number, since it is larger than the sum of its proper divisors (17196096635).

51510151045 is a wasteful number, since it uses less digits than its factorization.

51510151045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 51510151045 in words is "fifty-one billion, five hundred ten million, one hundred fifty-one thousand, forty-five".