125555352353 has 4 divisors (see below), whose sum is σ = 125556092928. Its totient is φ = 125554611780.

The previous prime is 125555352311. The next prime is 125555352359. The reversal of 125555352353 is 353253555521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 353253555521 = 17 ⋅20779620913.

It is a cyclic number.

It is not a de Polignac number, because 125555352353 - 2²² = 125551158049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125555352359) 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, 23888 + ... + 501678.

It is an arithmetic number, because the mean of its divisors is an integer number (31389023232).

Almost surely, 2^125555352353 is an apocalyptic number.

It is an amenable number.

125555352353 is a deficient number, since it is larger than the sum of its proper divisors (740575).

125555352353 is an equidigital number, since it uses as much as digits as its factorization.

125555352353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740574.

The product of its digits is 1687500, while the sum is 44.

The spelling of 125555352353 in words is "one hundred twenty-five billion, five hundred fifty-five million, three hundred fifty-two thousand, three hundred fifty-three".