10520015712 has 24 divisors (see below), whose sum is σ = 27615041496. Its totient is φ = 3506671872.

The previous prime is 10520015707. The next prime is 10520015717. The reversal of 10520015712 is 21751002501.

It is an interprime number because it is at equal distance from previous prime (10520015707) and next prime (10520015717).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×10520015712² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520015717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54791653 + ... + 54791844.

It is an arithmetic number, because the mean of its divisors is an integer number (1150626729).

Almost surely, 2^10520015712 is an apocalyptic number.

10520015712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10520015712 is an abundant number, since it is smaller than the sum of its proper divisors (17095025784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10520015712 is a wasteful number, since it uses less digits than its factorization.

10520015712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109583510 (or 109583502 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The spelling of 10520015712 in words is "ten billion, five hundred twenty million, fifteen thousand, seven hundred twelve".