1155112951 has 2 divisors, whose sum is σ = 1155112952. Its totient is φ = 1155112950.

The previous prime is 1155112943. The next prime is 1155112963. The reversal of 1155112951 is 1592115511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155112951 - 2³ = 1155112943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155112901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577556475 + 577556476.

It is an arithmetic number, because the mean of its divisors is an integer number (577556476).

Almost surely, 2^1155112951 is an apocalyptic number.

1155112951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155112951 is an equidigital number, since it uses as much as digits as its factorization.

1155112951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 31.

The square root of 1155112951 is about 33986.9526583364. The cubic root of 1155112951 is about 1049.2399491324.

The spelling of 1155112951 in words is "one billion, one hundred fifty-five million, one hundred twelve thousand, nine hundred fifty-one".