12611342451 has 16 divisors (see below), whose sum is σ = 17548934400. Its totient is φ = 8040769440.

The previous prime is 12611342431. The next prime is 12611342467. The reversal of 12611342451 is 15424311621.

It is not a de Polignac number, because 12611342451 - 2⁷ = 12611342323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12611342431) 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, 677296 + ... + 695666.

It is an arithmetic number, because the mean of its divisors is an integer number (1096808400).

Almost surely, 2^12611342451 is an apocalyptic number.

12611342451 is a deficient number, since it is larger than the sum of its proper divisors (4937591949).

12611342451 is a wasteful number, since it uses less digits than its factorization.

12611342451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28346.

The product of its digits is 5760, while the sum is 30.

The spelling of 12611342451 in words is "twelve billion, six hundred eleven million, three hundred forty-two thousand, four hundred fifty-one".