5266278399995 has 4 divisors (see below), whose sum is σ = 6319534080000. Its totient is φ = 4213022719992.

The previous prime is 5266278399961. The next prime is 5266278400037. The reversal of 5266278399995 is 5999938726625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5266278399995 - 2³⁴ = 5249098530811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526627839995 + ... + 526627840004.

It is an arithmetic number, because the mean of its divisors is an integer number (1579883520000).

Almost surely, 2^{5266278399995} is an apocalyptic number.

5266278399995 is a deficient number, since it is larger than the sum of its proper divisors (1053255680005).

5266278399995 is a wasteful number, since it uses less digits than its factorization.

5266278399995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053255680004.

The product of its digits is 3968092800, while the sum is 80.

The spelling of 5266278399995 in words is "five trillion, two hundred sixty-six billion, two hundred seventy-eight million, three hundred ninety-nine thousand, nine hundred ninety-five".