2245015728878 has 8 divisors (see below), whose sum is σ = 3626563869768. Its totient is φ = 1036161105624.

The previous prime is 2245015728847. The next prime is 2245015728883. The reversal of 2245015728878 is 8788275105422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43173379376 + ... + 43173379427.

It is an arithmetic number, because the mean of its divisors is an integer number (453320483721).

Almost surely, 2^{2245015728878} is an apocalyptic number.

2245015728878 is a deficient number, since it is larger than the sum of its proper divisors (1381548140890).

2245015728878 is a wasteful number, since it uses less digits than its factorization.

2245015728878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86346758818.

The product of its (nonzero) digits is 20070400, while the sum is 59.

The spelling of 2245015728878 in words is "two trillion, two hundred forty-five billion, fifteen million, seven hundred twenty-eight thousand, eight hundred seventy-eight".