125453473556 has 24 divisors (see below), whose sum is σ = 221089508640. Its totient is φ = 62285736672.

The previous prime is 125453473553. The next prime is 125453473559. The reversal of 125453473556 is 655374354521.

It is an interprime number because it is at equal distance from previous prime (125453473553) and next prime (125453473559).

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125453473553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642155 + ... + 814413.

It is an arithmetic number, because the mean of its divisors is an integer number (9212062860).

Almost surely, 2^125453473556 is an apocalyptic number.

It is an amenable number.

125453473556 is a deficient number, since it is larger than the sum of its proper divisors (95636035084).

125453473556 is a wasteful number, since it uses less digits than its factorization.

125453473556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173543 (or 173541 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 50.

The spelling of 125453473556 in words is "one hundred twenty-five billion, four hundred fifty-three million, four hundred seventy-three thousand, five hundred fifty-six".