51151151455 has 16 divisors (see below), whose sum is σ = 62164057824. Its totient is φ = 40402311040.

The previous prime is 51151151449. The next prime is 51151151459. The reversal of 51151151455 is 55415115115.

It is not a de Polignac number, because 51151151455 - 2¹⁵ = 51151118687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51151151455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51151151459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69172 + ... + 327241.

It is an arithmetic number, because the mean of its divisors is an integer number (3885253614).

Almost surely, 2^51151151455 is an apocalyptic number.

51151151455 is a deficient number, since it is larger than the sum of its proper divisors (11012906369).

51151151455 is a wasteful number, since it uses less digits than its factorization.

51151151455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396746.

The product of its digits is 12500, while the sum is 34.

The spelling of 51151151455 in words is "fifty-one billion, one hundred fifty-one million, one hundred fifty-one thousand, four hundred fifty-five".