12455252656619 has 2 divisors, whose sum is σ = 12455252656620. Its totient is φ = 12455252656618.

The previous prime is 12455252656603. The next prime is 12455252656703. The reversal of 12455252656619 is 91665625255421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12455252656619 - 2⁴ = 12455252656603 is a prime.

It is a super-2 number, since 2×12455252656619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12455252653619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227626328309 + 6227626328310.

It is an arithmetic number, because the mean of its divisors is an integer number (6227626328310).

Almost surely, 2^{12455252656619} is an apocalyptic number.

12455252656619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455252656619 is an equidigital number, since it uses as much as digits as its factorization.

12455252656619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880000, while the sum is 59.

The spelling of 12455252656619 in words is "twelve trillion, four hundred fifty-five billion, two hundred fifty-two million, six hundred fifty-six thousand, six hundred nineteen".