245961121252 has 24 divisors (see below), whose sum is σ = 536642447040. Its totient is φ = 95829008160.

The previous prime is 245961121243. The next prime is 245961121279. The reversal of 245961121252 is 252121169542.

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, 399287227 + ... + 399287842.

It is an arithmetic number, because the mean of its divisors is an integer number (22360101960).

Almost surely, 2^245961121252 is an apocalyptic number.

245961121252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245961121252 is an abundant number, since it is smaller than the sum of its proper divisors (290681325788).

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

245961121252 is a wasteful number, since it uses less digits than its factorization.

245961121252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798575091 (or 798575089 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The spelling of 245961121252 in words is "two hundred forty-five billion, nine hundred sixty-one million, one hundred twenty-one thousand, two hundred fifty-two".