51435031245 has 32 divisors (see below), whose sum is σ = 88643116800. Its totient is φ = 25317118464.

The previous prime is 51435031229. The next prime is 51435031247. The reversal of 51435031245 is 54213053415.

It is not a de Polignac number, because 51435031245 - 2⁴ = 51435031229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51435031247) 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, 1165696 + ... + 1209014.

It is an arithmetic number, because the mean of its divisors is an integer number (2770097400).

Almost surely, 2^51435031245 is an apocalyptic number.

It is an amenable number.

51435031245 is a deficient number, since it is larger than the sum of its proper divisors (37208085555).

51435031245 is a wasteful number, since it uses less digits than its factorization.

51435031245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49429.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 51435031245 in words is "fifty-one billion, four hundred thirty-five million, thirty-one thousand, two hundred forty-five".