125600560455 has 8 divisors (see below), whose sum is σ = 200960896752. Its totient is φ = 66986965568.

The previous prime is 125600560439. The next prime is 125600560531. The reversal of 125600560455 is 554065006521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125600560455 - 2⁴ = 125600560439 is a prime.

It is a super-2 number, since 2×125600560455² (a number of 23 digits) contains 22 as substring.

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, 4186685334 + ... + 4186685363.

It is an arithmetic number, because the mean of its divisors is an integer number (25120112094).

Almost surely, 2^125600560455 is an apocalyptic number.

125600560455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125600560455 is a deficient number, since it is larger than the sum of its proper divisors (75360336297).

125600560455 is an equidigital number, since it uses as much as digits as its factorization.

125600560455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8373370705.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 125600560455 its reverse (554065006521), we get a palindrome (679665566976).

The spelling of 125600560455 in words is "one hundred twenty-five billion, six hundred million, five hundred sixty thousand, four hundred fifty-five".