51352515134415 has 48 divisors (see below), whose sum is σ = 97194458907936. Its totient is φ = 24874722182400.

The previous prime is 51352515134411. The next prime is 51352515134441. The reversal of 51352515134415 is 51443151525315.

51352515134415 is a `hidden beast` number, since 5 + 1 + 3 + 5 + 251 + 51 + 344 + 1 + 5 = 666.

It is not a de Polignac number, because 51352515134415 - 2² = 51352515134411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51352515134411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48363804 + ... + 49414193.

It is an arithmetic number, because the mean of its divisors is an integer number (2024884560582).

Almost surely, 2^{51352515134415} is an apocalyptic number.

51352515134415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51352515134415 is a deficient number, since it is larger than the sum of its proper divisors (45841943773521).

51352515134415 is a wasteful number, since it uses less digits than its factorization.

51352515134415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97779080 (or 97779077 counting only the distinct ones).

The product of its digits is 900000, while the sum is 45.

The spelling of 51352515134415 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred fifteen million, one hundred thirty-four thousand, four hundred fifteen".