513558912461 has 8 divisors (see below), whose sum is σ = 605857519104. Its totient is φ = 425993567760.

The previous prime is 513558912409. The next prime is 513558912467. The reversal of 513558912461 is 164219855315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513558912461 - 2⁶ = 513558912397 is a prime.

It is a super-2 number, since 2×513558912461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513558912467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183315250 + ... + 1183315683.

It is an arithmetic number, because the mean of its divisors is an integer number (75732189888).

Almost surely, 2^513558912461 is an apocalyptic number.

It is an amenable number.

513558912461 is a deficient number, since it is larger than the sum of its proper divisors (92298606643).

513558912461 is a wasteful number, since it uses less digits than its factorization.

513558912461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366630971.

The product of its digits is 1296000, while the sum is 50.

The spelling of 513558912461 in words is "five hundred thirteen billion, five hundred fifty-eight million, nine hundred twelve thousand, four hundred sixty-one".