1252777776275 has 6 divisors (see below), whose sum is σ = 1553444442612. Its totient is φ = 1002222221000.

The previous prime is 1252777776251. The next prime is 1252777776329. The reversal of 1252777776275 is 5726777772521.

It is not a de Polignac number, because 1252777776275 - 2²⁴ = 1252760999059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25055555501 + ... + 25055555550.

It is an arithmetic number, because the mean of its divisors is an integer number (258907407102).

Almost surely, 2^{1252777776275} is an apocalyptic number.

1252777776275 is a deficient number, since it is larger than the sum of its proper divisors (300666666337).

1252777776275 is an equidigital number, since it uses as much as digits as its factorization.

1252777776275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111111061 (or 50111111056 counting only the distinct ones).

The product of its digits is 141178800, while the sum is 65.

The spelling of 1252777776275 in words is "one trillion, two hundred fifty-two billion, seven hundred seventy-seven million, seven hundred seventy-six thousand, two hundred seventy-five".