2051455134015 has 96 divisors (see below), whose sum is σ = 4195806031872. Its totient is φ = 907365888000.

The previous prime is 2051455133977. The next prime is 2051455134073. The reversal of 2051455134015 is 5104315541502.

2051455134015 is a `hidden beast` number, since 2 + 0 + 51 + 4 + 551 + 3 + 40 + 15 = 666.

It is not a de Polignac number, because 2051455134015 - 2⁸ = 2051455133759 is a prime.

It is a super-2 number, since 2×2051455134015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53112060 + ... + 53150670.

It is an arithmetic number, because the mean of its divisors is an integer number (43706312832).

Almost surely, 2^{2051455134015} is an apocalyptic number.

2051455134015 is an abundant number, since it is smaller than the sum of its proper divisors (2144350897857).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051455134015 is a wasteful number, since it uses less digits than its factorization.

2051455134015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44101 (or 44098 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 2051455134015 in words is "two trillion, fifty-one billion, four hundred fifty-five million, one hundred thirty-four thousand, fifteen".