1155466451 has 4 divisors (see below), whose sum is σ = 1186695312. Its totient is φ = 1124237592.

The previous prime is 1155466397. The next prime is 1155466457. The reversal of 1155466451 is 1546645511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155466451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155466457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15614375 + ... + 15614448.

It is an arithmetic number, because the mean of its divisors is an integer number (296673828).

Almost surely, 2^1155466451 is an apocalyptic number.

1155466451 is a deficient number, since it is larger than the sum of its proper divisors (31228861).

1155466451 is an equidigital number, since it uses as much as digits as its factorization.

1155466451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31228860.

The product of its digits is 72000, while the sum is 38.

The square root of 1155466451 is about 33992.1527856063. The cubic root of 1155466451 is about 1049.3469714203.

The spelling of 1155466451 in words is "one billion, one hundred fifty-five million, four hundred sixty-six thousand, four hundred fifty-one".