126250132505 has 16 divisors (see below), whose sum is σ = 179113489920. Its totient is φ = 83586293952.

The previous prime is 126250132501. The next prime is 126250132513. The reversal of 126250132505 is 505231052621.

It is not a de Polignac number, because 126250132505 - 2² = 126250132501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126250132501) 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, 62191169 + ... + 62193198.

It is an arithmetic number, because the mean of its divisors is an integer number (11194593120).

Almost surely, 2^126250132505 is an apocalyptic number.

It is an amenable number.

126250132505 is a deficient number, since it is larger than the sum of its proper divisors (52863357415).

126250132505 is a wasteful number, since it uses less digits than its factorization.

126250132505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124384408.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 126250132505 in words is "one hundred twenty-six billion, two hundred fifty million, one hundred thirty-two thousand, five hundred five".