519957401145 has 128 divisors (see below), whose sum is σ = 1039111127040. Its totient is φ = 216166579200.

The previous prime is 519957401141. The next prime is 519957401179. The reversal of 519957401145 is 541104759915.

It is not a de Polignac number, because 519957401145 - 2² = 519957401141 is a prime.

It is a super-2 number, since 2×519957401145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (519957401141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 52510695 + ... + 52520595.

It is an arithmetic number, because the mean of its divisors is an integer number (8118055680).

Almost surely, 2^519957401145 is an apocalyptic number.

It is an amenable number.

519957401145 is a deficient number, since it is larger than the sum of its proper divisors (519153725895).

519957401145 is a wasteful number, since it uses less digits than its factorization.

519957401145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 519957401145 in words is "five hundred nineteen billion, nine hundred fifty-seven million, four hundred one thousand, one hundred forty-five".