125143851418 has 16 divisors (see below), whose sum is σ = 194395503456. Its totient is φ = 60380414640.

The previous prime is 125143851377. The next prime is 125143851463. The reversal of 125143851418 is 814158341521.

It is a super-2 number, since 2×125143851418² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8758893 + ... + 8773168.

It is an arithmetic number, because the mean of its divisors is an integer number (12149718966).

Almost surely, 2^125143851418 is an apocalyptic number.

125143851418 is a deficient number, since it is larger than the sum of its proper divisors (69251652038).

125143851418 is a wasteful number, since it uses less digits than its factorization.

125143851418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532189.

The product of its digits is 153600, while the sum is 43.

The spelling of 125143851418 in words is "one hundred twenty-five billion, one hundred forty-three million, eight hundred fifty-one thousand, four hundred eighteen".