125551032055 has 8 divisors (see below), whose sum is σ = 150741774144. Its totient is φ = 100387135200.

The previous prime is 125551031939. The next prime is 125551032107. The reversal of 125551032055 is 550230155521.

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

It is a de Polignac number, because none of the positive numbers 2^k-125551032055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125551032055.

It is a congruent number.

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, 6701016 + ... + 6719725.

It is an arithmetic number, because the mean of its divisors is an integer number (18842721768).

Almost surely, 2^125551032055 is an apocalyptic number.

125551032055 is a deficient number, since it is larger than the sum of its proper divisors (25190742089).

125551032055 is a wasteful number, since it uses less digits than its factorization.

125551032055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13422617.

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 125551032055 its reverse (550230155521), we get a palindrome (675781187576).

The spelling of 125551032055 in words is "one hundred twenty-five billion, five hundred fifty-one million, thirty-two thousand, fifty-five".