1236426231115 has 16 divisors (see below), whose sum is σ = 1491586430976. Its totient is φ = 983891759200.

The previous prime is 1236426231077. The next prime is 1236426231119. The reversal of 1236426231115 is 5111326246321.

It is not a de Polignac number, because 1236426231115 - 2⁹ = 1236426230603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1236426231119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16314660 + ... + 16390270.

It is an arithmetic number, because the mean of its divisors is an integer number (93224151936).

Almost surely, 2^{1236426231115} is an apocalyptic number.

1236426231115 is a deficient number, since it is larger than the sum of its proper divisors (255160199861).

1236426231115 is a wasteful number, since it uses less digits than its factorization.

1236426231115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92930.

The product of its digits is 51840, while the sum is 37.

The spelling of 1236426231115 in words is "one trillion, two hundred thirty-six billion, four hundred twenty-six million, two hundred thirty-one thousand, one hundred fifteen".