245123225555 has 8 divisors (see below), whose sum is σ = 316774630032. Its totient is φ = 181014074208.

The previous prime is 245123225527. The next prime is 245123225593. The reversal of 245123225555 is 555522321542.

It is a happy number.

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 245123225555 - 2¹⁸ = 245122963411 is a prime.

It is a Duffinian 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, 1885563209 + ... + 1885563338.

It is an arithmetic number, because the mean of its divisors is an integer number (39596828754).

Almost surely, 2^245123225555 is an apocalyptic number.

245123225555 is a deficient number, since it is larger than the sum of its proper divisors (71651404477).

245123225555 is a wasteful number, since it uses less digits than its factorization.

245123225555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771126565.

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

The spelling of 245123225555 in words is "two hundred forty-five billion, one hundred twenty-three million, two hundred twenty-five thousand, five hundred fifty-five".