125455623154 has 16 divisors (see below), whose sum is σ = 188532288000. Its totient is φ = 62611570944.

The previous prime is 125455623151. The next prime is 125455623169. The reversal of 125455623154 is 451326554521.

It is a super-2 number, since 2×125455623154² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125455623154.

It is not an unprimeable number, because it can be changed into a prime (125455623151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9084747 + ... + 9098545.

It is an arithmetic number, because the mean of its divisors is an integer number (11783268000).

Almost surely, 2^125455623154 is an apocalyptic number.

125455623154 is a deficient number, since it is larger than the sum of its proper divisors (63076664846).

125455623154 is a wasteful number, since it uses less digits than its factorization.

125455623154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897.

The product of its digits is 720000, while the sum is 43.

The spelling of 125455623154 in words is "one hundred twenty-five billion, four hundred fifty-five million, six hundred twenty-three thousand, one hundred fifty-four".