51015130413 has 12 divisors (see below), whose sum is σ = 73654981920. Its totient is φ = 31393926096.

The previous prime is 51015130409. The next prime is 51015130447. The reversal of 51015130413 is 31403151015.

It is not a de Polignac number, because 51015130413 - 2² = 51015130409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51015130483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50310273 + ... + 50311286.

It is an arithmetic number, because the mean of its divisors is an integer number (6137915160).

Almost surely, 2^51015130413 is an apocalyptic number.

It is an amenable number.

51015130413 is a deficient number, since it is larger than the sum of its proper divisors (22639851507).

51015130413 is a wasteful number, since it uses less digits than its factorization.

51015130413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100621588 (or 100621575 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 51015130413 its reverse (31403151015), we get a palindrome (82418281428).

The spelling of 51015130413 in words is "fifty-one billion, fifteen million, one hundred thirty thousand, four hundred thirteen".