51451015415 has 16 divisors (see below), whose sum is σ = 63256001760. Its totient is φ = 40151239680.

The previous prime is 51451015393. The next prime is 51451015417.

51451015415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51451015415 - 2⁸ = 51451015159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51451015417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008367 + ... + 2033823.

It is an arithmetic number, because the mean of its divisors is an integer number (3953500110).

Almost surely, 2^51451015415 is an apocalyptic number.

51451015415 is a deficient number, since it is larger than the sum of its proper divisors (11804986345).

51451015415 is a wasteful number, since it uses less digits than its factorization.

51451015415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35362.

The product of its (nonzero) digits is 10000, while the sum is 32.

It can be divided in two parts, 514510 and 15415, that added together give a palindrome (529925).

The spelling of 51451015415 in words is "fifty-one billion, four hundred fifty-one million, fifteen thousand, four hundred fifteen".