1156444151 has 2 divisors, whose sum is σ = 1156444152. Its totient is φ = 1156444150.

The previous prime is 1156444141. The next prime is 1156444171. The reversal of 1156444151 is 1514446511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1156444151 is a prime.

It is a super-2 number, since 2×1156444151² = 2674726148764221602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156444141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578222075 + 578222076.

It is an arithmetic number, because the mean of its divisors is an integer number (578222076).

Almost surely, 2^1156444151 is an apocalyptic number.

1156444151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156444151 is an equidigital number, since it uses as much as digits as its factorization.

1156444151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 1156444151 is about 34006.5310050878. The cubic root of 1156444151 is about 1049.6428569189.

The spelling of 1156444151 in words is "one billion, one hundred fifty-six million, four hundred forty-four thousand, one hundred fifty-one".