513511245252145 has 32 divisors (see below), whose sum is σ = 725045906188800. Its totient is φ = 341807355394560.

The previous prime is 513511245252079. The next prime is 513511245252151. The reversal of 513511245252145 is 541252542115315.

It is not a de Polignac number, because 513511245252145 - 2²⁹ = 513510708381233 is a prime.

It is a super-2 number, since 2×513511245252145² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513511245252095 and 513511245252104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898828902 + ... + 899400031.

It is an arithmetic number, because the mean of its divisors is an integer number (22657684568400).

Almost surely, 2^{513511245252145} is an apocalyptic number.

It is an amenable number.

513511245252145 is a deficient number, since it is larger than the sum of its proper divisors (211534660936655).

513511245252145 is a wasteful number, since it uses less digits than its factorization.

513511245252145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798229185.

The product of its digits is 1200000, while the sum is 46.

The spelling of 513511245252145 in words is "five hundred thirteen trillion, five hundred eleven billion, two hundred forty-five million, two hundred fifty-two thousand, one hundred forty-five".