1175278980131 has 2 divisors, whose sum is σ = 1175278980132. Its totient is φ = 1175278980130.

The previous prime is 1175278980121. The next prime is 1175278980133. The reversal of 1175278980131 is 1310898725711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1175278980131 is a prime.

It is a super-2 number, since 2×1175278980131² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 1175278980133, 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 (1175278980133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587639490065 + 587639490066.

It is an arithmetic number, because the mean of its divisors is an integer number (587639490066).

Almost surely, 2^{1175278980131} is an apocalyptic number.

1175278980131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1175278980131 is an equidigital number, since it uses as much as digits as its factorization.

1175278980131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 53.

The spelling of 1175278980131 in words is "one trillion, one hundred seventy-five billion, two hundred seventy-eight million, nine hundred eighty thousand, one hundred thirty-one".