12553311507 has 16 divisors (see below), whose sum is σ = 18392648832. Its totient is φ = 7552531520.

The previous prime is 12553311499. The next prime is 12553311509. The reversal of 12553311507 is 70511335521.

12553311507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12553311507 - 2³ = 12553311499 is a prime.

It is a super-2 number, since 2×12553311507² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12553311509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383813 + ... + 1392854.

It is an arithmetic number, because the mean of its divisors is an integer number (1149540552).

Almost surely, 2^12553311507 is an apocalyptic number.

12553311507 is a deficient number, since it is larger than the sum of its proper divisors (5839337325).

12553311507 is a wasteful number, since it uses less digits than its factorization.

12553311507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776818.

The product of its (nonzero) digits is 15750, while the sum is 33.

The spelling of 12553311507 in words is "twelve billion, five hundred fifty-three million, three hundred eleven thousand, five hundred seven".