27640151262775 has 12 divisors (see below), whose sum is σ = 34316048734744. Its totient is φ = 22084855740000.

The previous prime is 27640151262761. The next prime is 27640151262847. The reversal of 27640151262775 is 57726215104672.

It is not a de Polignac number, because 27640151262775 - 2³³ = 27631561328183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681611076 + ... + 681651625.

Almost surely, 2^{27640151262775} is an apocalyptic number.

27640151262775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27640151262775 is a deficient number, since it is larger than the sum of its proper divisors (6675897471969).

27640151262775 is a wasteful number, since it uses less digits than its factorization.

27640151262775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363263522 (or 1363263517 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 27640151262775 in words is "twenty-seven trillion, six hundred forty billion, one hundred fifty-one million, two hundred sixty-two thousand, seven hundred seventy-five".