1156876451 has 2 divisors, whose sum is σ = 1156876452. Its totient is φ = 1156876450.

The previous prime is 1156876411. The next prime is 1156876453. The reversal of 1156876451 is 1546786511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1156876451 - 2⁶ = 1156876387 is a prime.

Together with 1156876453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1156876453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578438225 + 578438226.

It is an arithmetic number, because the mean of its divisors is an integer number (578438226).

Almost surely, 2^1156876451 is an apocalyptic number.

1156876451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156876451 is an equidigital number, since it uses as much as digits as its factorization.

1156876451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 44.

The square root of 1156876451 is about 34012.8865431912. The cubic root of 1156876451 is about 1049.7736325317.

The spelling of 1156876451 in words is "one billion, one hundred fifty-six million, eight hundred seventy-six thousand, four hundred fifty-one".