125165004641 has 4 divisors (see below), whose sum is σ = 125167354884. Its totient is φ = 125162654400.

The previous prime is 125165004617. The next prime is 125165004659. The reversal of 125165004641 is 146400561521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33149849041 + 92015155600 = 182071^2 + 303340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125165004641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125165007641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093340 + ... + 1202381.

It is an arithmetic number, because the mean of its divisors is an integer number (31291838721).

Almost surely, 2^125165004641 is an apocalyptic number.

It is an amenable number.

125165004641 is a deficient number, since it is larger than the sum of its proper divisors (2350243).

125165004641 is an equidigital number, since it uses as much as digits as its factorization.

125165004641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350242.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 125165004641 in words is "one hundred twenty-five billion, one hundred sixty-five million, four thousand, six hundred forty-one".