51150252513 has 8 divisors (see below), whose sum is σ = 68202669376. Its totient is φ = 34099002000.

The previous prime is 51150252493. The next prime is 51150252539. The reversal of 51150252513 is 31525205115.

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

It is not a de Polignac number, because 51150252513 - 2¹⁰ = 51150251489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51150252553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183538 + ... + 368763.

It is an arithmetic number, because the mean of its divisors is an integer number (8525333672).

Almost surely, 2^51150252513 is an apocalyptic number.

It is an amenable number.

51150252513 is a deficient number, since it is larger than the sum of its proper divisors (17052416863).

51150252513 is a wasteful number, since it uses less digits than its factorization.

51150252513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583175.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 51150252513 its reverse (31525205115), we get a palindrome (82675457628).

The spelling of 51150252513 in words is "fifty-one billion, one hundred fifty million, two hundred fifty-two thousand, five hundred thirteen".