1180131851 has 2 divisors, whose sum is σ = 1180131852. Its totient is φ = 1180131850.

The previous prime is 1180131787. The next prime is 1180131853. The reversal of 1180131851 is 1581310811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1180131851 - 2⁶ = 1180131787 is a prime.

It is a super-2 number, since 2×1180131851² = 2785422371489372402, which contains 22 as substring.

Together with 1180131853, 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 (1180131853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590065925 + 590065926.

It is an arithmetic number, because the mean of its divisors is an integer number (590065926).

Almost surely, 2^1180131851 is an apocalyptic number.

1180131851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180131851 is an equidigital number, since it uses as much as digits as its factorization.

1180131851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 29.

The square root of 1180131851 is about 34353.0471865306. The cubic root of 1180131851 is about 1056.7611625010.

The spelling of 1180131851 in words is "one billion, one hundred eighty million, one hundred thirty-one thousand, eight hundred fifty-one".