2553161111 has 8 divisors (see below), whose sum is σ = 2567337984. Its totient is φ = 2539024120.

The previous prime is 2553161089. The next prime is 2553161197. The reversal of 2553161111 is 1111613552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2553161111 - 2¹⁸ = 2552898967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553161911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123296 + ... + 142506.

It is an arithmetic number, because the mean of its divisors is an integer number (320917248).

Almost surely, 2^2553161111 is an apocalyptic number.

2553161111 is a deficient number, since it is larger than the sum of its proper divisors (14176873).

2553161111 is a wasteful number, since it uses less digits than its factorization.

2553161111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19941.

The product of its digits is 900, while the sum is 26.

The square root of 2553161111 is about 50528.8146605479. The cubic root of 2553161111 is about 1366.7615110132.

Adding to 2553161111 its reverse (1111613552), we get a palindrome (3664774663).

The spelling of 2553161111 in words is "two billion, five hundred fifty-three million, one hundred sixty-one thousand, one hundred eleven".