12756435501 has 16 divisors (see below), whose sum is σ = 17055896000. Its totient is φ = 8480661120.

The previous prime is 12756435457. The next prime is 12756435511. The reversal of 12756435501 is 10553465721.

It is not a de Polignac number, because 12756435501 - 2⁹ = 12756434989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12756435501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756435511) 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, 2621811 + ... + 2626671.

It is an arithmetic number, because the mean of its divisors is an integer number (1065993500).

Almost surely, 2^12756435501 is an apocalyptic number.

It is an amenable number.

12756435501 is a deficient number, since it is larger than the sum of its proper divisors (4299460499).

12756435501 is a wasteful number, since it uses less digits than its factorization.

12756435501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 12756435501 in words is "twelve billion, seven hundred fifty-six million, four hundred thirty-five thousand, five hundred one".