1161057907 has 2 divisors, whose sum is σ = 1161057908. Its totient is φ = 1161057906.

The previous prime is 1161057883. The next prime is 1161057929. The reversal of 1161057907 is 7097501611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161057907 - 2¹¹ = 1161055859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161057977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580528953 + 580528954.

It is an arithmetic number, because the mean of its divisors is an integer number (580528954).

Almost surely, 2^1161057907 is an apocalyptic number.

1161057907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161057907 is an equidigital number, since it uses as much as digits as its factorization.

1161057907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 37.

The square root of 1161057907 is about 34074.2998020502. The cubic root of 1161057907 is about 1051.0368916646.

The spelling of 1161057907 in words is "one billion, one hundred sixty-one million, fifty-seven thousand, nine hundred seven".