2278281557715 has 16 divisors (see below), whose sum is σ = 3645336931488. Its totient is φ = 1215054684416.

The previous prime is 2278281557701. The next prime is 2278281557719. The reversal of 2278281557715 is 5177551828722.

It is a cyclic number.

It is not a de Polignac number, because 2278281557715 - 2⁸ = 2278281557459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2278281557719) 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, 1139322 + ... + 2419631.

It is an arithmetic number, because the mean of its divisors is an integer number (227833558218).

Almost surely, 2^{2278281557715} is an apocalyptic number.

2278281557715 is a deficient number, since it is larger than the sum of its proper divisors (1367055373773).

2278281557715 is a wasteful number, since it uses less digits than its factorization.

2278281557715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601638.

The product of its digits is 21952000, while the sum is 60.

The spelling of 2278281557715 in words is "two trillion, two hundred seventy-eight billion, two hundred eighty-one million, five hundred fifty-seven thousand, seven hundred fifteen".