125345520455 has 8 divisors (see below), whose sum is σ = 150416762832. Its totient is φ = 100274990848.

The previous prime is 125345520439. The next prime is 125345520479. The reversal of 125345520455 is 554025543521.

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 125345520455 - 2⁴ = 125345520439 is a prime.

It is a super-2 number, since 2×125345520455² (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, 352247 + ... + 612183.

It is an arithmetic number, because the mean of its divisors is an integer number (18802095354).

Almost surely, 2^125345520455 is an apocalyptic number.

125345520455 is a deficient number, since it is larger than the sum of its proper divisors (25071242377).

125345520455 is an equidigital number, since it uses as much as digits as its factorization.

125345520455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356385.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 125345520455 in words is "one hundred twenty-five billion, three hundred forty-five million, five hundred twenty thousand, four hundred fifty-five".