10615457990 has 32 divisors (see below), whose sum is σ = 19723003200. Its totient is φ = 4110632064.

The previous prime is 10615457987. The next prime is 10615458011. The reversal of 10615457990 is 9975451601.

It is a super-2 number, since 2×10615457990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544 + ... + 145716.

It is an arithmetic number, because the mean of its divisors is an integer number (616343850).

Almost surely, 2^10615457990 is an apocalyptic number.

10615457990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10615457990 is a deficient number, since it is larger than the sum of its proper divisors (9107545210).

10615457990 is a wasteful number, since it uses less digits than its factorization.

10615457990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144416.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 10615457990 in words is "ten billion, six hundred fifteen million, four hundred fifty-seven thousand, nine hundred ninety".