1156361376 has 48 divisors (see below), whose sum is σ = 3109494528. Its totient is φ = 376051200.

The previous prime is 1156361303. The next prime is 1156361383. The reversal of 1156361376 is 6731636511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1156361376² = 2674343263809226752, which contains 22 as substring.

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, 142960 + ... + 150831.

It is an arithmetic number, because the mean of its divisors is an integer number (64781136).

Almost surely, 2^1156361376 is an apocalyptic number.

1156361376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156361376 is an abundant number, since it is smaller than the sum of its proper divisors (1953133152).

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

1156361376 is a wasteful number, since it uses less digits than its factorization.

1156361376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293845 (or 293837 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 1156361376 is about 34005.3139376774. The cubic root of 1156361376 is about 1049.6178128329.

Adding to 1156361376 its reverse (6731636511), we get a palindrome (7887997887).

The spelling of 1156361376 in words is "one billion, one hundred fifty-six million, three hundred sixty-one thousand, three hundred seventy-six".