51262601026531 has 2 divisors, whose sum is σ = 51262601026532. Its totient is φ = 51262601026530.

The previous prime is 51262601026523. The next prime is 51262601026537. The reversal of 51262601026531 is 13562010626215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51262601026531 - 2³ = 51262601026523 is a prime.

It is a super-2 number, since 2×51262601026531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51262601026537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25631300513265 + 25631300513266.

It is an arithmetic number, because the mean of its divisors is an integer number (25631300513266).

Almost surely, 2^{51262601026531} is an apocalyptic number.

51262601026531 is a deficient number, since it is larger than the sum of its proper divisors (1).

51262601026531 is an equidigital number, since it uses as much as digits as its factorization.

51262601026531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 51262601026531 in words is "fifty-one trillion, two hundred sixty-two billion, six hundred one million, twenty-six thousand, five hundred thirty-one".