12555017435 has 16 divisors (see below), whose sum is σ = 15250000896. Its totient is φ = 9922042368.

The previous prime is 12555017399. The next prime is 12555017459. The reversal of 12555017435 is 53471055521.

It is a cyclic number.

It is not a de Polignac number, because 12555017435 - 2⁸ = 12555017179 is a prime.

It is a Duffinian 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, 105527 + ... + 190383.

It is an arithmetic number, because the mean of its divisors is an integer number (953125056).

Almost surely, 2^12555017435 is an apocalyptic number.

12555017435 is a deficient number, since it is larger than the sum of its proper divisors (2694983461).

12555017435 is a wasteful number, since it uses less digits than its factorization.

12555017435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85222.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 12555017435 in words is "twelve billion, five hundred fifty-five million, seventeen thousand, four hundred thirty-five".