10513211573 has 8 divisors (see below), whose sum is σ = 10882063800. Its totient is φ = 10144781248.

The previous prime is 10513211563. The next prime is 10513211617. The reversal of 10513211573 is 37511231501.

It can be written as a sum of positive squares in 4 ways, for example, as 380172004 + 10133039569 = 19498^2 + 100663^2 .

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 10513211573 - 2¹⁸ = 10512949429 is a prime.

It is a super-2 number, since 2×10513211573² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513211563) 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, 54338 + ... + 154851.

It is an arithmetic number, because the mean of its divisors is an integer number (1360257975).

Almost surely, 2^10513211573 is an apocalyptic number.

It is an amenable number.

10513211573 is a deficient number, since it is larger than the sum of its proper divisors (368852227).

10513211573 is a wasteful number, since it uses less digits than its factorization.

10513211573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210951.

The product of its (nonzero) digits is 3150, while the sum is 29.

The spelling of 10513211573 in words is "ten billion, five hundred thirteen million, two hundred eleven thousand, five hundred seventy-three".