125152540405 has 8 divisors (see below), whose sum is σ = 150575173632. Its totient is φ = 99860615568.

The previous prime is 125152540399. The next prime is 125152540459. The reversal of 125152540405 is 504045251521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125152540405 is a prime.

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, 32674989 + ... + 32678818.

It is an arithmetic number, because the mean of its divisors is an integer number (18821896704).

Almost surely, 2^125152540405 is an apocalyptic number.

It is an amenable number.

125152540405 is a deficient number, since it is larger than the sum of its proper divisors (25422633227).

125152540405 is an equidigital number, since it uses as much as digits as its factorization.

125152540405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65354195.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 125152540405 its reverse (504045251521), we get a palindrome (629197791926).

The spelling of 125152540405 in words is "one hundred twenty-five billion, one hundred fifty-two million, five hundred forty thousand, four hundred five".