245305515201 has 16 divisors (see below), whose sum is σ = 338450443200. Its totient is φ = 157852065728.

The previous prime is 245305515197. The next prime is 245305515211. The reversal of 245305515201 is 102515503542.

It is a cyclic number.

It is not a de Polignac number, because 245305515201 - 2² = 245305515197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245305515211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105006 + ... + 708263.

It is an arithmetic number, because the mean of its divisors is an integer number (21153152700).

Almost surely, 2^245305515201 is an apocalyptic number.

It is an amenable number.

245305515201 is a deficient number, since it is larger than the sum of its proper divisors (93144927999).

245305515201 is a wasteful number, since it uses less digits than its factorization.

245305515201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816768.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 245305515201 in words is "two hundred forty-five billion, three hundred five million, five hundred fifteen thousand, two hundred one".