20051345145315 has 64 divisors (see below), whose sum is σ = 35180553070080. Its totient is φ = 9671364541440.

The previous prime is 20051345145257. The next prime is 20051345145371. The reversal of 20051345145315 is 51354154315002.

It is not a de Polignac number, because 20051345145315 - 2¹⁴ = 20051345128931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314909112 + ... + 314972778.

It is an arithmetic number, because the mean of its divisors is an integer number (549696141720).

Almost surely, 2^{20051345145315} is an apocalyptic number.

20051345145315 is a deficient number, since it is larger than the sum of its proper divisors (15129207924765).

20051345145315 is a wasteful number, since it uses less digits than its factorization.

20051345145315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73572.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 20051345145315 in words is "twenty trillion, fifty-one billion, three hundred forty-five million, one hundred forty-five thousand, three hundred fifteen".