1151898211 has 2 divisors, whose sum is σ = 1151898212. Its totient is φ = 1151898210.

The previous prime is 1151898191. The next prime is 1151898221. The reversal of 1151898211 is 1128981511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151898211 - 2⁵ = 1151898179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151898221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575949105 + 575949106.

It is an arithmetic number, because the mean of its divisors is an integer number (575949106).

Almost surely, 2^1151898211 is an apocalyptic number.

1151898211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151898211 is an equidigital number, since it uses as much as digits as its factorization.

1151898211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 37.

The square root of 1151898211 is about 33939.6259702431. The cubic root of 1151898211 is about 1048.2656814679.

It can be divided in two parts, 115 and 1898211, that added together give a triangular number (1898326 = T₁₉₄₈).

The spelling of 1151898211 in words is "one billion, one hundred fifty-one million, eight hundred ninety-eight thousand, two hundred eleven".