11123100032887 has 2 divisors, whose sum is σ = 11123100032888. Its totient is φ = 11123100032886.

The previous prime is 11123100032819. The next prime is 11123100032923. The reversal of 11123100032887 is 78823000132111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123100032887 is a prime.

It is a super-2 number, since 2×11123100032887² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123100032087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561550016443 + 5561550016444.

It is an arithmetic number, because the mean of its divisors is an integer number (5561550016444).

Almost surely, 2^{11123100032887} is an apocalyptic number.

11123100032887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123100032887 is an equidigital number, since it uses as much as digits as its factorization.

11123100032887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

Adding to 11123100032887 its reverse (78823000132111), we get a palindrome (89946100164998).

The spelling of 11123100032887 in words is "eleven trillion, one hundred twenty-three billion, one hundred million, thirty-two thousand, eight hundred eighty-seven".