245155505512 has 16 divisors (see below), whose sum is σ = 459697826340. Its totient is φ = 122569418496.

The previous prime is 245155505489. The next prime is 245155505537. The reversal of 245155505512 is 215505551542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 244346330596 + 809174916 = 494314^2 + 28446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915873 + ... + 1152880.

Almost surely, 2^245155505512 is an apocalyptic number.

It is an amenable number.

245155505512 is a deficient number, since it is larger than the sum of its proper divisors (214542320828).

245155505512 is a wasteful number, since it uses less digits than its factorization.

245155505512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083572 (or 2083568 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 245155505512 in words is "two hundred forty-five billion, one hundred fifty-five million, five hundred five thousand, five hundred twelve".