125914817546 has 24 divisors (see below), whose sum is σ = 219721527936. Its totient is φ = 53960295480.

The previous prime is 125914817543. The next prime is 125914817563. The reversal of 125914817546 is 645718419521.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125914817543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2448761 + ... + 2499651.

It is an arithmetic number, because the mean of its divisors is an integer number (9155063664).

Almost surely, 2^125914817546 is an apocalyptic number.

125914817546 is a deficient number, since it is larger than the sum of its proper divisors (93806710390).

125914817546 is a wasteful number, since it uses less digits than its factorization.

125914817546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76154 (or 76147 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The spelling of 125914817546 in words is "one hundred twenty-five billion, nine hundred fourteen million, eight hundred seventeen thousand, five hundred forty-six".