10115549457 has 64 divisors (see below), whose sum is σ = 15924658176. Its totient is φ = 5652218880.

The previous prime is 10115549449. The next prime is 10115549467. The reversal of 10115549457 is 75494551101.

It is not a de Polignac number, because 10115549457 - 2³ = 10115549449 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10115549467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9515508 + ... + 9516570.

It is an arithmetic number, because the mean of its divisors is an integer number (248822784).

Almost surely, 2^10115549457 is an apocalyptic number.

10115549457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10115549457 is a deficient number, since it is larger than the sum of its proper divisors (5809108719).

10115549457 is a wasteful number, since it uses less digits than its factorization.

10115549457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 10115549457 in words is "ten billion, one hundred fifteen million, five hundred forty-nine thousand, four hundred fifty-seven".