10115666553 has 16 divisors (see below), whose sum is σ = 14363502336. Its totient is φ = 6310391040.

The previous prime is 10115666551. The next prime is 10115666563. The reversal of 10115666553 is 35566651101.

It is not a de Polignac number, because 10115666553 - 2¹ = 10115666551 is a prime.

It is a super-2 number, since 2×10115666553² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10115666551) 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, 564433 + ... + 582078.

It is an arithmetic number, because the mean of its divisors is an integer number (897718896).

Almost surely, 2^10115666553 is an apocalyptic number.

It is an amenable number.

10115666553 is a deficient number, since it is larger than the sum of its proper divisors (4247835783).

10115666553 is a wasteful number, since it uses less digits than its factorization.

10115666553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146704.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 10115666553 in words is "ten billion, one hundred fifteen million, six hundred sixty-six thousand, five hundred fifty-three".