126280580362887 has 16 divisors (see below), whose sum is σ = 178279364938752. Its totient is φ = 79234474600320.

The previous prime is 126280580362847. The next prime is 126280580362897. The reversal of 126280580362887 is 788263085082621.

It is not a de Polignac number, because 126280580362887 - 2⁶ = 126280580362823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126280580362847) 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, 4145962 + ... + 16424072.

It is an arithmetic number, because the mean of its divisors is an integer number (11142460308672).

Almost surely, 2^{126280580362887} is an apocalyptic number.

126280580362887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126280580362887 is a deficient number, since it is larger than the sum of its proper divisors (51998784575865).

126280580362887 is a wasteful number, since it uses less digits than its factorization.

126280580362887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479798.

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 126280580362887 in words is "one hundred twenty-six trillion, two hundred eighty billion, five hundred eighty million, three hundred sixty-two thousand, eight hundred eighty-seven".