51150000615 has 32 divisors (see below), whose sum is σ = 94927434240. Its totient is φ = 23033856384.

The previous prime is 51150000611. The next prime is 51150000619. The reversal of 51150000615 is 51600005115.

It is an interprime number because it is at equal distance from previous prime (51150000611) and next prime (51150000619).

It is not a de Polignac number, because 51150000615 - 2² = 51150000611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150000611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3628360 + ... + 3642429.

It is an arithmetic number, because the mean of its divisors is an integer number (2966482320).

Almost surely, 2^51150000615 is an apocalyptic number.

51150000615 is a deficient number, since it is larger than the sum of its proper divisors (43777433625).

51150000615 is a wasteful number, since it uses less digits than its factorization.

51150000615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270871.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51150000615 in words is "fifty-one billion, one hundred fifty million, six hundred fifteen", and thus it is an aban number.