51100140515425 has 6 divisors (see below), whose sum is σ = 63364174239158. Its totient is φ = 40880112412320.

The previous prime is 51100140515407. The next prime is 51100140515453. The reversal of 51100140515425 is 52451504100115.

It can be written as a sum of positive squares in 3 ways, for example, as 14125750963776 + 36974389551649 = 3758424^2 + 6080657^2 .

It is not a de Polignac number, because 51100140515425 - 2²⁹ = 51099603644513 is a prime.

It is a super-2 number, since 2×51100140515425² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022002810284 + ... + 1022002810333.

Almost surely, 2^{51100140515425} is an apocalyptic number.

It is an amenable number.

51100140515425 is a deficient number, since it is larger than the sum of its proper divisors (12264033723733).

51100140515425 is a wasteful number, since it uses less digits than its factorization.

51100140515425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044005620627 (or 2044005620622 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 51100140515425 in words is "fifty-one trillion, one hundred billion, one hundred forty million, five hundred fifteen thousand, four hundred twenty-five".