51451011015415 has 16 divisors (see below), whose sum is σ = 69676604261280. Its totient is φ = 36128609614720.

The previous prime is 51451011015373. The next prime is 51451011015419.

51451011015415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51451011015415 - 2¹³ = 51451011007223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51451011015419) 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, 16128841984 + ... + 16128845173.

It is an arithmetic number, because the mean of its divisors is an integer number (4354787766330).

Almost surely, 2^{51451011015415} is an apocalyptic number.

51451011015415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51451011015415 is a deficient number, since it is larger than the sum of its proper divisors (18225593245865).

51451011015415 is a wasteful number, since it uses less digits than its factorization.

51451011015415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32257687202.

The product of its (nonzero) digits is 10000, while the sum is 34.

The spelling of 51451011015415 in words is "fifty-one trillion, four hundred fifty-one billion, eleven million, fifteen thousand, four hundred fifteen".