10520145959 has 4 divisors (see below), whose sum is σ = 10528791504. Its totient is φ = 10511500416.

The previous prime is 10520145931. The next prime is 10520145983. The reversal of 10520145959 is 95954102501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95954102501 = 1741 ⋅55114361.

It is a cyclic number.

It is not a de Polignac number, because 10520145959 - 2⁸ = 10520145703 is a prime.

It is a super-2 number, since 2×10520145959² (a number of 21 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 (10520145659) 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, 4320947 + ... + 4323380.

It is an arithmetic number, because the mean of its divisors is an integer number (2632197876).

Almost surely, 2^10520145959 is an apocalyptic number.

10520145959 is a deficient number, since it is larger than the sum of its proper divisors (8645545).

10520145959 is an equidigital number, since it uses as much as digits as its factorization.

10520145959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645544.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 10520145959 in words is "ten billion, five hundred twenty million, one hundred forty-five thousand, nine hundred fifty-nine".