125503042404 has 24 divisors (see below), whose sum is σ = 293221260640. Its totient is φ = 41779943424.

The previous prime is 125503042387. The next prime is 125503042459. The reversal of 125503042404 is 404240305521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6790894 + ... + 6809349.

Almost surely, 2^125503042404 is an apocalyptic number.

It is an amenable number.

125503042404 is an abundant number, since it is smaller than the sum of its proper divisors (167718218236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125503042404 is a wasteful number, since it uses less digits than its factorization.

125503042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13601019 (or 13601017 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 125503042404 its reverse (404240305521), we get a palindrome (529743347925).

The spelling of 125503042404 in words is "one hundred twenty-five billion, five hundred three million, forty-two thousand, four hundred four".