12400027751558 has 16 divisors (see below), whose sum is σ = 18835688393280. Its totient is φ = 6121466647296.

The previous prime is 12400027751497. The next prime is 12400027751591. The reversal of 12400027751558 is 85515772000421.

It is a happy number.

It is a congruent 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, 16370216 + ... + 17110932.

It is an arithmetic number, because the mean of its divisors is an integer number (1177230524580).

Almost surely, 2^{12400027751558} is an apocalyptic number.

12400027751558 is a deficient number, since it is larger than the sum of its proper divisors (6435660641722).

12400027751558 is a wasteful number, since it uses less digits than its factorization.

12400027751558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846751.

The product of its (nonzero) digits is 784000, while the sum is 47.

Adding to 12400027751558 its reverse (85515772000421), we get a palindrome (97915799751979).

The spelling of 12400027751558 in words is "twelve trillion, four hundred billion, twenty-seven million, seven hundred fifty-one thousand, five hundred fifty-eight".