111232009387 has 2 divisors, whose sum is σ = 111232009388. Its totient is φ = 111232009386.

The previous prime is 111232009381. The next prime is 111232009391. The reversal of 111232009387 is 783900232111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111232009387 - 2¹⁵ = 111231976619 is a prime.

It is a super-2 number, since 2×111232009387² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111232009381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616004693 + 55616004694.

It is an arithmetic number, because the mean of its divisors is an integer number (55616004694).

Almost surely, 2^111232009387 is an apocalyptic number.

111232009387 is a deficient number, since it is larger than the sum of its proper divisors (1).

111232009387 is an equidigital number, since it uses as much as digits as its factorization.

111232009387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 111232009387 in words is "one hundred eleven billion, two hundred thirty-two million, nine thousand, three hundred eighty-seven".