245572556211906 has 64 divisors (see below), whose sum is σ = 644565014277120. Its totient is φ = 60427970084160.

The previous prime is 245572556211889. The next prime is 245572556211973. The reversal of 245572556211906 is 609112655275542.

It is a self number, because there is not a number n which added to its sum of digits gives 245572556211906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13987947261 + ... + 13987964816.

It is an arithmetic number, because the mean of its divisors is an integer number (10071328348080).

Almost surely, 2^{245572556211906} is an apocalyptic number.

245572556211906 is an abundant number, since it is smaller than the sum of its proper divisors (398992458065214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245572556211906 is a wasteful number, since it uses less digits than its factorization.

245572556211906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27975912119.

The product of its (nonzero) digits is 45360000, while the sum is 60.

The spelling of 245572556211906 in words is "two hundred forty-five trillion, five hundred seventy-two billion, five hundred fifty-six million, two hundred eleven thousand, nine hundred six".