1156451135 has 16 divisors (see below), whose sum is σ = 1589544000. Its totient is φ = 791218176.

The previous prime is 1156451099. The next prime is 1156451171. The reversal of 1156451135 is 5311546511.

It is an interprime number because it is at equal distance from previous prime (1156451099) and next prime (1156451171).

It is not a de Polignac number, because 1156451135 - 2⁶ = 1156451071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21080 + ... + 52509.

It is an arithmetic number, because the mean of its divisors is an integer number (99346500).

Almost surely, 2^1156451135 is an apocalyptic number.

1156451135 is a deficient number, since it is larger than the sum of its proper divisors (433092865).

1156451135 is an equidigital number, since it uses as much as digits as its factorization.

1156451135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74050.

The product of its digits is 9000, while the sum is 32.

The square root of 1156451135 is about 34006.6336910903. The cubic root of 1156451135 is about 1049.6449699165.

Adding to 1156451135 its reverse (5311546511), we get a palindrome (6467997646).

The spelling of 1156451135 in words is "one billion, one hundred fifty-six million, four hundred fifty-one thousand, one hundred thirty-five".