1151621364 has 12 divisors (see below), whose sum is σ = 2687116544. Its totient is φ = 383873784.

The previous prime is 1151621357. The next prime is 1151621417. The reversal of 1151621364 is 4631261511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47984212 + ... + 47984235.

Almost surely, 2^1151621364 is an apocalyptic number.

It is an amenable number.

1151621364 is an abundant number, since it is smaller than the sum of its proper divisors (1535495180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151621364 is a wasteful number, since it uses less digits than its factorization.

1151621364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95968454 (or 95968452 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1151621364 is about 33935.5472034856. The cubic root of 1151621364 is about 1048.1816947467.

Adding to 1151621364 its reverse (4631261511), we get a palindrome (5782882875).

The spelling of 1151621364 in words is "one billion, one hundred fifty-one million, six hundred twenty-one thousand, three hundred sixty-four".