51132550515 has 8 divisors (see below), whose sum is σ = 81812080848. Its totient is φ = 27270693600.

The previous prime is 51132550493. The next prime is 51132550517. The reversal of 51132550515 is 51505523115.

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

It is not a de Polignac number, because 51132550515 - 2¹² = 51132546419 is a prime.

It is a super-2 number, since 2×51132550515² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51132550517) 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, 1704418336 + ... + 1704418365.

It is an arithmetic number, because the mean of its divisors is an integer number (10226510106).

Almost surely, 2^51132550515 is an apocalyptic number.

51132550515 is a deficient number, since it is larger than the sum of its proper divisors (30679530333).

51132550515 is a wasteful number, since it uses less digits than its factorization.

51132550515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408836709.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 51132550515 in words is "fifty-one billion, one hundred thirty-two million, five hundred fifty thousand, five hundred fifteen".