126436052318680 has 32 divisors (see below), whose sum is σ = 306364280619600. Its totient is φ = 46684080855936.

The previous prime is 126436052318671. The next prime is 126436052318729. The reversal of 126436052318680 is 86813250634621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121573126710 + ... + 121573127749.

Almost surely, 2^{126436052318680} is an apocalyptic number.

126436052318680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126436052318680 is an abundant number, since it is smaller than the sum of its proper divisors (179928228300920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126436052318680 is a wasteful number, since it uses less digits than its factorization.

126436052318680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243146254483 (or 243146254479 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 126436052318680 in words is "one hundred twenty-six trillion, four hundred thirty-six billion, fifty-two million, three hundred eighteen thousand, six hundred eighty".