125020005455 has 8 divisors (see below), whose sum is σ = 150181435152. Its totient is φ = 99911051968.

The previous prime is 125020005433. The next prime is 125020005463. The reversal of 125020005455 is 554500020521.

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 125020005455 - 2⁸ = 125020005199 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, 13113809 + ... + 13123338.

It is an arithmetic number, because the mean of its divisors is an integer number (18772679394).

Almost surely, 2^125020005455 is an apocalyptic number.

125020005455 is a deficient number, since it is larger than the sum of its proper divisors (25161429697).

125020005455 is an equidigital number, since it uses as much as digits as its factorization.

125020005455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26238105.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 125020005455 its reverse (554500020521), we get a palindrome (679520025976).

The spelling of 125020005455 in words is "one hundred twenty-five billion, twenty million, five thousand, four hundred fifty-five".