245022221511512 has 16 divisors (see below), whose sum is σ = 459512516994840. Its totient is φ = 122485550312896.

The previous prime is 245022221511511. The next prime is 245022221511607. The reversal of 245022221511512 is 215115122220542.

It is a super-2 number, since 2×245022221511512² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245022221511511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195014618 + ... + 3195091305.

Almost surely, 2^{245022221511512} is an apocalyptic number.

It is an amenable number.

245022221511512 is a deficient number, since it is larger than the sum of its proper divisors (214490295483328).

245022221511512 is a wasteful number, since it uses less digits than its factorization.

245022221511512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390110722 (or 6390110718 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 245022221511512 in words is "two hundred forty-five trillion, twenty-two billion, two hundred twenty-one million, five hundred eleven thousand, five hundred twelve".