125540123445310 has 64 divisors (see below), whose sum is σ = 259747759469952. Its totient is φ = 42793911853056.

The previous prime is 125540123445277. The next prime is 125540123445313. The reversal of 125540123445310 is 13544321045521.

It is a super-2 number, since 2×125540123445310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125540123445313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5258112 + ... + 16695148.

It is an arithmetic number, because the mean of its divisors is an integer number (4058558741718).

Almost surely, 2^{125540123445310} is an apocalyptic number.

125540123445310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125540123445310 is an abundant number, since it is smaller than the sum of its proper divisors (134207636024642).

125540123445310 is a wasteful number, since it uses less digits than its factorization.

125540123445310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11437957.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 125540123445310 in words is "one hundred twenty-five trillion, five hundred forty billion, one hundred twenty-three million, four hundred forty-five thousand, three hundred ten".