125150255543 has 4 divisors (see below), whose sum is σ = 128532694920. Its totient is φ = 121767816168.

The previous prime is 125150255539. The next prime is 125150255551. The reversal of 125150255543 is 345552051521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125150255543 - 2² = 125150255539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125150255497 and 125150255506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125150215543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691219633 + ... + 1691219706.

It is an arithmetic number, because the mean of its divisors is an integer number (32133173730).

Almost surely, 2^125150255543 is an apocalyptic number.

125150255543 is a deficient number, since it is larger than the sum of its proper divisors (3382439377).

125150255543 is an equidigital number, since it uses as much as digits as its factorization.

125150255543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382439376.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 125150255543 in words is "one hundred twenty-five billion, one hundred fifty million, two hundred fifty-five thousand, five hundred forty-three".