125105551355 has 16 divisors (see below), whose sum is σ = 150962262528. Its totient is φ = 99528156000.

The previous prime is 125105551313. The next prime is 125105551381. The reversal of 125105551355 is 553155501521.

It is a de Polignac number, because none of the positive numbers 2^k-125105551355 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250540 + ... + 1346870.

It is an arithmetic number, because the mean of its divisors is an integer number (9435141408).

Almost surely, 2^125105551355 is an apocalyptic number.

125105551355 is a deficient number, since it is larger than the sum of its proper divisors (25856711173).

125105551355 is a wasteful number, since it uses less digits than its factorization.

125105551355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97778.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 125105551355 in words is "one hundred twenty-five billion, one hundred five million, five hundred fifty-one thousand, three hundred fifty-five".