81114003 has 6 divisors (see below), whose sum is σ = 117164684. Its totient is φ = 54075996.

The previous prime is 81113993. The next prime is 81114013. The reversal of 81114003 is 30041118.

It is an interprime number because it is at equal distance from previous prime (81113993) and next prime (81114013).

It is not a de Polignac number, because 81114003 - 2⁹ = 81113491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81114013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4506325 + ... + 4506342.

Almost surely, 2^81114003 is an apocalyptic number.

81114003 is a deficient number, since it is larger than the sum of its proper divisors (36050681).

81114003 is a wasteful number, since it uses less digits than its factorization.

81114003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012673 (or 9012670 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 81114003 is about 9006.3312730545. The cubic root of 81114003 is about 432.8777645494.

The spelling of 81114003 in words is "eighty-one million, one hundred fourteen thousand, three".