126251511463 has 16 divisors (see below), whose sum is σ = 157446938880. Its totient is φ = 98351265600.

The previous prime is 126251511433. The next prime is 126251511487. The reversal of 126251511463 is 364115152621.

It is not a de Polignac number, because 126251511463 - 2⁹ = 126251510951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126251511433) 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, 68643 + ... + 507163.

It is an arithmetic number, because the mean of its divisors is an integer number (9840433680).

Almost surely, 2^126251511463 is an apocalyptic number.

126251511463 is a deficient number, since it is larger than the sum of its proper divisors (31195427417).

126251511463 is a wasteful number, since it uses less digits than its factorization.

126251511463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442278.

The product of its digits is 43200, while the sum is 37.

The spelling of 126251511463 in words is "one hundred twenty-six billion, two hundred fifty-one million, five hundred eleven thousand, four hundred sixty-three".