126361523775 has 12 divisors (see below), whose sum is σ = 208917719432. Its totient is φ = 67392812640.

The previous prime is 126361523723. The next prime is 126361523809. The reversal of 126361523775 is 577325163621.

It is not a de Polignac number, because 126361523775 - 2⁶ = 126361523711 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842410084 + ... + 842410233.

Almost surely, 2^126361523775 is an apocalyptic number.

126361523775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126361523775 is a deficient number, since it is larger than the sum of its proper divisors (82556195657).

126361523775 is a wasteful number, since it uses less digits than its factorization.

126361523775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684820330 (or 1684820325 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 48.

The spelling of 126361523775 in words is "one hundred twenty-six billion, three hundred sixty-one million, five hundred twenty-three thousand, seven hundred seventy-five".