1151872776427 has 4 divisors (see below), whose sum is σ = 1151952050080. Its totient is φ = 1151793502776.

The previous prime is 1151872776389. The next prime is 1151872776433. The reversal of 1151872776427 is 7246772781511.

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 1151872776427 - 2³⁹ = 602116962539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151872776437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39615027 + ... + 39644092.

It is an arithmetic number, because the mean of its divisors is an integer number (287988012520).

Almost surely, 2^{1151872776427} is an apocalyptic number.

1151872776427 is a deficient number, since it is larger than the sum of its proper divisors (79273653).

1151872776427 is an equidigital number, since it uses as much as digits as its factorization.

1151872776427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79273652.

The product of its digits is 9219840, while the sum is 58.

The spelling of 1151872776427 in words is "one trillion, one hundred fifty-one billion, eight hundred seventy-two million, seven hundred seventy-six thousand, four hundred twenty-seven".