11161655423 has 2 divisors, whose sum is σ = 11161655424. Its totient is φ = 11161655422.

The previous prime is 11161655419. The next prime is 11161655429. The reversal of 11161655423 is 32455616111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11161655423 - 2² = 11161655419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11161655429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580827711 + 5580827712.

It is an arithmetic number, because the mean of its divisors is an integer number (5580827712).

Almost surely, 2^11161655423 is an apocalyptic number.

11161655423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161655423 is an equidigital number, since it uses as much as digits as its factorization.

11161655423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The spelling of 11161655423 in words is "eleven billion, one hundred sixty-one million, six hundred fifty-five thousand, four hundred twenty-three".