125354343323555 has 8 divisors (see below), whose sum is σ = 150432898233744. Its totient is φ = 100278350495200.

The previous prime is 125354343323441. The next prime is 125354343323563. The reversal of 125354343323555 is 555323343453521.

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

It is not a de Polignac number, because 125354343323555 - 2²⁶ = 125354276214691 is a prime.

It is a super-2 number, since 2×125354343323555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125354343323497 and 125354343323506.

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, 640412816 + ... + 640608525.

It is an arithmetic number, because the mean of its divisors is an integer number (18804112279218).

Almost surely, 2^{125354343323555} is an apocalyptic number.

125354343323555 is a deficient number, since it is larger than the sum of its proper divisors (25078554910189).

125354343323555 is a wasteful number, since it uses less digits than its factorization.

125354343323555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281040917.

The product of its digits is 48600000, while the sum is 53.

The spelling of 125354343323555 in words is "one hundred twenty-five trillion, three hundred fifty-four billion, three hundred forty-three million, three hundred twenty-three thousand, five hundred fifty-five".