12013502555 has 8 divisors (see below), whose sum is σ = 14416954992. Its totient is φ = 9610300768.

The previous prime is 12013502507. The next prime is 12013502563. The reversal of 12013502555 is 55520531021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12013502555 - 2⁸ = 12013502299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67289 + ... + 168981.

It is an arithmetic number, because the mean of its divisors is an integer number (1802119374).

Almost surely, 2^12013502555 is an apocalyptic number.

12013502555 is a deficient number, since it is larger than the sum of its proper divisors (2403452437).

12013502555 is a wasteful number, since it uses less digits than its factorization.

12013502555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125325.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 12013502555 in words is "twelve billion, thirteen million, five hundred two thousand, five hundred fifty-five".