126260280555 has 32 divisors (see below), whose sum is σ = 208131142464. Its totient is φ = 65312073216.

The previous prime is 126260280529. The next prime is 126260280571. The reversal of 126260280555 is 555082062621.

It is not a de Polignac number, because 126260280555 - 2¹² = 126260276459 is a prime.

It is a super-2 number, since 2×126260280555² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182892 + ... + 534761.

It is an arithmetic number, because the mean of its divisors is an integer number (6504098202).

Almost surely, 2^126260280555 is an apocalyptic number.

126260280555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126260280555 is a deficient number, since it is larger than the sum of its proper divisors (81870861909).

126260280555 is a wasteful number, since it uses less digits than its factorization.

126260280555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718015.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 126260280555 in words is "one hundred twenty-six billion, two hundred sixty million, two hundred eighty thousand, five hundred fifty-five".