126636133511315 has 16 divisors (see below), whose sum is σ = 163303909490592. Its totient is φ = 93926431593984.

The previous prime is 126636133511287. The next prime is 126636133511317. The reversal of 126636133511315 is 513115331636621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126636133511315 - 2⁸ = 126636133511059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126636133511315.

It is not an unprimeable number, because it can be changed into a prime (126636133511317) 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, 11118179864 + ... + 11118191253.

It is an arithmetic number, because the mean of its divisors is an integer number (10206494343162).

Almost surely, 2^{126636133511315} is an apocalyptic number.

126636133511315 is a deficient number, since it is larger than the sum of its proper divisors (36667775979277).

126636133511315 is a wasteful number, since it uses less digits than its factorization.

126636133511315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22236371206.

The product of its digits is 874800, while the sum is 47.

The spelling of 126636133511315 in words is "one hundred twenty-six trillion, six hundred thirty-six billion, one hundred thirty-three million, five hundred eleven thousand, three hundred fifteen".