10521875115 has 12 divisors (see below), whose sum is σ = 18237916944. Its totient is φ = 5611666704.

The previous prime is 10521875099. The next prime is 10521875129. The reversal of 10521875115 is 51157812501.

10521875115 is a `hidden beast` number, since 1 + 0 + 521 + 87 + 51 + 1 + 5 = 666.

10521875115 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 10521875115 - 2⁴ = 10521875099 is a prime.

It is a super-2 number, since 2×10521875115² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10521875115.

It is an unprimeable number.

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, 116909679 + ... + 116909768.

It is an arithmetic number, because the mean of its divisors is an integer number (1519826412).

Almost surely, 2^10521875115 is an apocalyptic number.

10521875115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10521875115 is a deficient number, since it is larger than the sum of its proper divisors (7716041829).

10521875115 is a wasteful number, since it uses less digits than its factorization.

10521875115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233819458 (or 233819455 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 36.

The spelling of 10521875115 in words is "ten billion, five hundred twenty-one million, eight hundred seventy-five thousand, one hundred fifteen".