125404110005 has 8 divisors (see below), whose sum is σ = 151816657752. Its totient is φ = 99435470848.

The previous prime is 125404109981. The next prime is 125404110017. The reversal of 125404110005 is 500011404521.

It can be written as a sum of positive squares in 4 ways, for example, as 2066884369 + 123337225636 = 45463^2 + 351194^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 125404110005 - 2²⁰ = 125403061429 is a prime.

It is a super-2 number, since 2×125404110005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 110976524 + ... + 110977653.

It is an arithmetic number, because the mean of its divisors is an integer number (18977082219).

Almost surely, 2^125404110005 is an apocalyptic number.

It is an amenable number.

125404110005 is a deficient number, since it is larger than the sum of its proper divisors (26412547747).

125404110005 is a wasteful number, since it uses less digits than its factorization.

125404110005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221954295.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 125404110005 its reverse (500011404521), we get a palindrome (625415514526).

The spelling of 125404110005 in words is "one hundred twenty-five billion, four hundred four million, one hundred ten thousand, five".