125511205441 has 16 divisors (see below), whose sum is σ = 128066400000. Its totient is φ = 122983515648.

The previous prime is 125511205409. The next prime is 125511205489. The reversal of 125511205441 is 144502115521.

It is a cyclic number.

It is not a de Polignac number, because 125511205441 - 2⁵ = 125511205409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125511205541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16733310 + ... + 16740808.

It is an arithmetic number, because the mean of its divisors is an integer number (8004150000).

Almost surely, 2^125511205441 is an apocalyptic number.

It is an amenable number.

125511205441 is a deficient number, since it is larger than the sum of its proper divisors (2555194559).

125511205441 is a wasteful number, since it uses less digits than its factorization.

125511205441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9288.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 125511205441 in words is "one hundred twenty-five billion, five hundred eleven million, two hundred five thousand, four hundred forty-one".