245151513513 has 12 divisors (see below), whose sum is σ = 354141606000. Its totient is φ = 163418712696.

The previous prime is 245151513499. The next prime is 245151513521. The reversal of 245151513513 is 315315151542.

245151513513 is a `hidden beast` number, since 2 + 4 + 5 + 1 + 515 + 135 + 1 + 3 = 666.

245151513513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245151513513 - 2⁶ = 245151513449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245151593513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1202731 + ... + 1391712.

It is an arithmetic number, because the mean of its divisors is an integer number (29511800500).

Almost surely, 2^245151513513 is an apocalyptic number.

It is an amenable number.

245151513513 is a deficient number, since it is larger than the sum of its proper divisors (108990092487).

245151513513 is a wasteful number, since it uses less digits than its factorization.

245151513513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604948 (or 2604945 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 245151513513 in words is "two hundred forty-five billion, one hundred fifty-one million, five hundred thirteen thousand, five hundred thirteen".