1151172859 has 2 divisors, whose sum is σ = 1151172860. Its totient is φ = 1151172858.

The previous prime is 1151172821. The next prime is 1151172877. The reversal of 1151172859 is 9582711511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151172859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151172559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575586429 + 575586430.

It is an arithmetic number, because the mean of its divisors is an integer number (575586430).

Almost surely, 2^1151172859 is an apocalyptic number.

1151172859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151172859 is an equidigital number, since it uses as much as digits as its factorization.

1151172859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 40.

The square root of 1151172859 is about 33928.9383712488. The cubic root of 1151172859 is about 1048.0456037859.

The spelling of 1151172859 in words is "one billion, one hundred fifty-one million, one hundred seventy-two thousand, eight hundred fifty-nine".