10517071521 has 16 divisors (see below), whose sum is σ = 15449024448. Its totient is φ = 6310872000.

The previous prime is 10517071469. The next prime is 10517071547. The reversal of 10517071521 is 12517071501.

It is not a de Polignac number, because 10517071521 - 2¹⁷ = 10516940449 is a prime.

It is a super-2 number, since 2×10517071521² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10517071421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574386 + ... + 1581051.

It is an arithmetic number, because the mean of its divisors is an integer number (965564028).

Almost surely, 2^10517071521 is an apocalyptic number.

10517071521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10517071521 is a deficient number, since it is larger than the sum of its proper divisors (4931952927).

10517071521 is a wasteful number, since it uses less digits than its factorization.

10517071521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155552.

The product of its (nonzero) digits is 2450, while the sum is 30.

The spelling of 10517071521 in words is "ten billion, five hundred seventeen million, seventy-one thousand, five hundred twenty-one".