126317980560 has 80 divisors (see below), whose sum is σ = 391818297024. Its totient is φ = 33664790016.

The previous prime is 126317980559. The next prime is 126317980561. The reversal of 126317980560 is 65089713621.

It is an interprime number because it is at equal distance from previous prime (126317980559) and next prime (126317980561).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (126317980561) 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, 250879 + ... + 561761.

Almost surely, 2^126317980560 is an apocalyptic number.

126317980560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126317980560 is an abundant number, since it is smaller than the sum of its proper divisors (265500316464).

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

126317980560 is a wasteful number, since it uses less digits than its factorization.

126317980560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312592 (or 312586 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 126317980560 in words is "one hundred twenty-six billion, three hundred seventeen million, nine hundred eighty thousand, five hundred sixty".