10115551523 has 12 divisors (see below), whose sum is σ = 12836804472. Its totient is φ = 7882247520.

The previous prime is 10115551517. The next prime is 10115551541. The reversal of 10115551523 is 32515551101.

10115551523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10115551523 - 2²⁰ = 10114502947 is a prime.

It is a super-2 number, since 2×10115551523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10115551513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9383090 + ... + 9384167.

It is an arithmetic number, because the mean of its divisors is an integer number (1069733706).

Almost surely, 2^10115551523 is an apocalyptic number.

10115551523 is a deficient number, since it is larger than the sum of its proper divisors (2721252949).

10115551523 is a wasteful number, since it uses less digits than its factorization.

10115551523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18767282 (or 18767275 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 10115551523 in words is "ten billion, one hundred fifteen million, five hundred fifty-one thousand, five hundred twenty-three".