10513504551 has 8 divisors (see below), whose sum is σ = 15292370304. Its totient is φ = 6371820920.

The previous prime is 10513504549. The next prime is 10513504607. The reversal of 10513504551 is 15540531501.

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 10513504551 - 2¹ = 10513504549 is a prime.

It is a super-2 number, since 2×10513504551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513504151) 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, 159295491 + ... + 159295556.

It is an arithmetic number, because the mean of its divisors is an integer number (1911546288).

Almost surely, 2^10513504551 is an apocalyptic number.

10513504551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10513504551 is a deficient number, since it is larger than the sum of its proper divisors (4778865753).

10513504551 is a wasteful number, since it uses less digits than its factorization.

10513504551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318591061.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 10513504551 in words is "ten billion, five hundred thirteen million, five hundred four thousand, five hundred fifty-one".