51143545026 has 48 divisors (see below), whose sum is σ = 126772424064. Its totient is φ = 14597295552.

The previous prime is 51143545021. The next prime is 51143545111. The reversal of 51143545026 is 62054534115.

51143545026 is a `hidden beast` number, since 5 + 1 + 143 + 5 + 4 + 502 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51143545021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88035 + ... + 331718.

It is an arithmetic number, because the mean of its divisors is an integer number (2641092168).

Almost surely, 2^51143545026 is an apocalyptic number.

51143545026 is an abundant number, since it is smaller than the sum of its proper divisors (75628879038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51143545026 is a wasteful number, since it uses less digits than its factorization.

51143545026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420735 (or 420732 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 51143545026 in words is "fifty-one billion, one hundred forty-three million, five hundred forty-five thousand, twenty-six".