245555014253505 has 32 divisors (see below), whose sum is σ = 428651091348480. Its totient is φ = 119044205618880.

The previous prime is 245555014253501. The next prime is 245555014253509. The reversal of 245555014253505 is 505352410555542.

It is an interprime number because it is at equal distance from previous prime (245555014253501) and next prime (245555014253509).

It is not a de Polignac number, because 245555014253505 - 2² = 245555014253501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245555014253501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78275725 + ... + 81352314.

It is an arithmetic number, because the mean of its divisors is an integer number (13395346604640).

Almost surely, 2^{245555014253505} is an apocalyptic number.

It is an amenable number.

245555014253505 is a deficient number, since it is larger than the sum of its proper divisors (183096077094975).

245555014253505 is a wasteful number, since it uses less digits than its factorization.

245555014253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159637381.

The product of its (nonzero) digits is 15000000, while the sum is 51.

The spelling of 245555014253505 in words is "two hundred forty-five trillion, five hundred fifty-five billion, fourteen million, two hundred fifty-three thousand, five hundred five".