12553515382 has 32 divisors (see below), whose sum is σ = 19563223680. Its totient is φ = 6037025280.

The previous prime is 12553515371. The next prime is 12553515383. The reversal of 12553515382 is 28351535521.

It is a happy number.

It is a super-2 number, since 2×12553515382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553515383) 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, 6561258 + ... + 6563170.

It is an arithmetic number, because the mean of its divisors is an integer number (611350740).

Almost surely, 2^12553515382 is an apocalyptic number.

12553515382 is a deficient number, since it is larger than the sum of its proper divisors (7009708298).

12553515382 is a wasteful number, since it uses less digits than its factorization.

12553515382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048.

The product of its digits is 180000, while the sum is 40.

The spelling of 12553515382 in words is "twelve billion, five hundred fifty-three million, five hundred fifteen thousand, three hundred eighty-two".