125642611054 has 8 divisors (see below), whose sum is σ = 188504556480. Its totient is φ = 62807758896.

The previous prime is 125642610971. The next prime is 125642611067. The reversal of 125642611054 is 450116246521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6761719 + ... + 6780274.

It is an arithmetic number, because the mean of its divisors is an integer number (23563069560).

Almost surely, 2^125642611054 is an apocalyptic number.

125642611054 is a deficient number, since it is larger than the sum of its proper divisors (62861945426).

125642611054 is a wasteful number, since it uses less digits than its factorization.

125642611054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13546634.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 125642611054 its reverse (450116246521), we get a palindrome (575758857575).

The spelling of 125642611054 in words is "one hundred twenty-five billion, six hundred forty-two million, six hundred eleven thousand, fifty-four".