51435013155 has 32 divisors (see below), whose sum is σ = 83641766400. Its totient is φ = 26985154560.

The previous prime is 51435013151. The next prime is 51435013169. The reversal of 51435013155 is 55131053415.

It is not a de Polignac number, because 51435013155 - 2² = 51435013151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51435013151) 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, 424404 + ... + 531966.

It is an arithmetic number, because the mean of its divisors is an integer number (2613805200).

Almost surely, 2^51435013155 is an apocalyptic number.

51435013155 is a deficient number, since it is larger than the sum of its proper divisors (32206753245).

51435013155 is a wasteful number, since it uses less digits than its factorization.

51435013155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108091.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 51435013155 in words is "fifty-one billion, four hundred thirty-five million, thirteen thousand, one hundred fifty-five".