11611072903 has 2 divisors, whose sum is σ = 11611072904. Its totient is φ = 11611072902.

The previous prime is 11611072901. The next prime is 11611072931. The reversal of 11611072903 is 30927011611.

It is a weak prime.

It is an emirp because it is prime and its reverse (30927011611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11611072903 - 2¹ = 11611072901 is a prime.

Together with 11611072901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11611072901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805536451 + 5805536452.

It is an arithmetic number, because the mean of its divisors is an integer number (5805536452).

Almost surely, 2^11611072903 is an apocalyptic number.

11611072903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611072903 is an equidigital number, since it uses as much as digits as its factorization.

11611072903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 11611072903 in words is "eleven billion, six hundred eleven million, seventy-two thousand, nine hundred three".