1151616380 has 24 divisors (see below), whose sum is σ = 2560653648. Its totient is φ = 433549568.

The previous prime is 1151616373. The next prime is 1151616511. The reversal of 1151616380 is 836161511.

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 7 ways as a sum of consecutive naturals, for example, 1693214 + ... + 1693893.

It is an arithmetic number, because the mean of its divisors is an integer number (106693902).

Almost surely, 2^1151616380 is an apocalyptic number.

1151616380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151616380 is an abundant number, since it is smaller than the sum of its proper divisors (1409037268).

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

1151616380 is a wasteful number, since it uses less digits than its factorization.

1151616380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387133 (or 3387131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1151616380 is about 33935.4737700831. The cubic root of 1151616380 is about 1048.1801826336.

Adding to 1151616380 its reverse (836161511), we get a palindrome (1987777891).

The spelling of 1151616380 in words is "one billion, one hundred fifty-one million, six hundred sixteen thousand, three hundred eighty".