513146661111 has 48 divisors (see below), whose sum is σ = 893090400480. Its totient is φ = 290323353600.

The previous prime is 513146661077. The next prime is 513146661151. The reversal of 513146661111 is 111166641315.

It is not a de Polignac number, because 513146661111 - 2⁹ = 513146660599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513146661151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1786506 + ... + 2053751.

It is an arithmetic number, because the mean of its divisors is an integer number (18606050010).

Almost surely, 2^513146661111 is an apocalyptic number.

513146661111 is a deficient number, since it is larger than the sum of its proper divisors (379943739369).

513146661111 is a wasteful number, since it uses less digits than its factorization.

513146661111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840381 (or 3840368 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The spelling of 513146661111 in words is "five hundred thirteen billion, one hundred forty-six million, six hundred sixty-one thousand, one hundred eleven".