51015515410495 has 8 divisors (see below), whose sum is σ = 61572483340416. Its totient is φ = 40576502429856.

The previous prime is 51015515410487. The next prime is 51015515410513. The reversal of 51015515410495 is 59401451551015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51015515410495 - 2³ = 51015515410487 is a prime.

It is a super-2 number, since 2×51015515410495² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29488736367 + ... + 29488738096.

It is an arithmetic number, because the mean of its divisors is an integer number (7696560417552).

Almost surely, 2^{51015515410495} is an apocalyptic number.

51015515410495 is a deficient number, since it is larger than the sum of its proper divisors (10556967929921).

51015515410495 is a wasteful number, since it uses less digits than its factorization.

51015515410495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58977474641.

The product of its (nonzero) digits is 450000, while the sum is 46.

The spelling of 51015515410495 in words is "fifty-one trillion, fifteen billion, five hundred fifteen million, four hundred ten thousand, four hundred ninety-five".