245225515215 has 32 divisors (see below), whose sum is σ = 400110762240. Its totient is φ = 128228834304.

The previous prime is 245225515201. The next prime is 245225515217. The reversal of 245225515215 is 512515522542.

It is not a de Polignac number, because 245225515215 - 2¹⁸ = 245225253071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225515217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631885 + ... + 943254.

It is an arithmetic number, because the mean of its divisors is an integer number (12503461320).

Almost surely, 2^245225515215 is an apocalyptic number.

245225515215 is a deficient number, since it is larger than the sum of its proper divisors (154885247025).

245225515215 is a wasteful number, since it uses less digits than its factorization.

245225515215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575351.

The product of its digits is 200000, while the sum is 39.

The spelling of 245225515215 in words is "two hundred forty-five billion, two hundred twenty-five million, five hundred fifteen thousand, two hundred fifteen".