1150655971 has 2 divisors, whose sum is σ = 1150655972. Its totient is φ = 1150655970.

The previous prime is 1150655953. The next prime is 1150655981. The reversal of 1150655971 is 1795560511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150655971 - 2¹¹ = 1150653923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1150655981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575327985 + 575327986.

It is an arithmetic number, because the mean of its divisors is an integer number (575327986).

Almost surely, 2^1150655971 is an apocalyptic number.

1150655971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150655971 is an equidigital number, since it uses as much as digits as its factorization.

1150655971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 40.

The square root of 1150655971 is about 33921.3203015449. The cubic root of 1150655971 is about 1047.8887193552. Note that the first 3 decimals are identical.

The spelling of 1150655971 in words is "one billion, one hundred fifty million, six hundred fifty-five thousand, nine hundred seventy-one".