12492531155 has 16 divisors (see below), whose sum is σ = 16448806080. Its totient is φ = 9051189888.

The previous prime is 12492531133. The next prime is 12492531197. The reversal of 12492531155 is 55113529421.

It is a happy number.

It is not a de Polignac number, because 12492531155 - 2⁶ = 12492531091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809695 + ... + 1816584.

It is an arithmetic number, because the mean of its divisors is an integer number (1028050380).

Almost surely, 2^12492531155 is an apocalyptic number.

12492531155 is a deficient number, since it is larger than the sum of its proper divisors (3956274925).

12492531155 is a wasteful number, since it uses less digits than its factorization.

12492531155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626350.

The product of its digits is 54000, while the sum is 38.

The spelling of 12492531155 in words is "twelve billion, four hundred ninety-two million, five hundred thirty-one thousand, one hundred fifty-five".