10115531144 has 16 divisors (see below), whose sum is σ = 19964864400. Its totient is φ = 4791567312.

The previous prime is 10115531141. The next prime is 10115531147. The reversal of 10115531144 is 44113551101.

It is an interprime number because it is at equal distance from previous prime (10115531141) and next prime (10115531147).

It is not an unprimeable number, because it can be changed into a prime (10115531141) 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, 33274622 + ... + 33274925.

It is an arithmetic number, because the mean of its divisors is an integer number (1247804025).

Almost surely, 2^10115531144 is an apocalyptic number.

It is an amenable number.

10115531144 is a deficient number, since it is larger than the sum of its proper divisors (9849333256).

10115531144 is a wasteful number, since it uses less digits than its factorization.

10115531144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66549572 (or 66549568 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 10115531144 in words is "ten billion, one hundred fifteen million, five hundred thirty-one thousand, one hundred forty-four".