513215445435 has 128 divisors (see below), whose sum is σ = 1028225802240. Its totient is φ = 212357376000.

The previous prime is 513215445403. The next prime is 513215445493. The reversal of 513215445435 is 534544512315.

It is not a de Polignac number, because 513215445435 - 2⁵ = 513215445403 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 427322835 + ... + 427324035.

It is an arithmetic number, because the mean of its divisors is an integer number (8033014080).

Almost surely, 2^513215445435 is an apocalyptic number.

513215445435 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

513215445435 is an abundant number, since it is smaller than the sum of its proper divisors (515010356805).

513215445435 is a wasteful number, since it uses less digits than its factorization.

513215445435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529.

The product of its digits is 720000, while the sum is 42.

The spelling of 513215445435 in words is "five hundred thirteen billion, two hundred fifteen million, four hundred forty-five thousand, four hundred thirty-five".