1151323411 has 16 divisors (see below), whose sum is σ = 1388966400. Its totient is φ = 932266368.

The previous prime is 1151323387. The next prime is 1151323451. The reversal of 1151323411 is 1143231511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1151323411 - 2⁵ = 1151323379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151323451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35691 + ... + 59803.

It is an arithmetic number, because the mean of its divisors is an integer number (86810400).

Almost surely, 2^1151323411 is an apocalyptic number.

1151323411 is a deficient number, since it is larger than the sum of its proper divisors (237642989).

1151323411 is a wasteful number, since it uses less digits than its factorization.

1151323411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24498.

The product of its digits is 360, while the sum is 22.

The square root of 1151323411 is about 33931.1569357722. The cubic root of 1151323411 is about 1048.0912900853.

Adding to 1151323411 its reverse (1143231511), we get a palindrome (2294554922).

The spelling of 1151323411 in words is "one billion, one hundred fifty-one million, three hundred twenty-three thousand, four hundred eleven".