11254034161 has 4 divisors (see below), whose sum is σ = 11303611632. Its totient is φ = 11204456692.

The previous prime is 11254034149. The next prime is 11254034173. The reversal of 11254034161 is 16143045211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16143045211 = 953 ⋅16939187.

It is an interprime number because it is at equal distance from previous prime (11254034149) and next prime (11254034173).

It is a cyclic number.

It is not a de Polignac number, because 11254034161 - 2⁹ = 11254033649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11254034461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24788395 + ... + 24788848.

It is an arithmetic number, because the mean of its divisors is an integer number (2825902908).

Almost surely, 2^11254034161 is an apocalyptic number.

It is an amenable number.

11254034161 is a deficient number, since it is larger than the sum of its proper divisors (49577471).

11254034161 is an equidigital number, since it uses as much as digits as its factorization.

11254034161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49577470.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 11254034161 its reverse (16143045211), we get a palindrome (27397079372).

The spelling of 11254034161 in words is "eleven billion, two hundred fifty-four million, thirty-four thousand, one hundred sixty-one".