2554011111 has 4 divisors (see below), whose sum is σ = 3405348152. Its totient is φ = 1702674072.

The previous prime is 2554011079. The next prime is 2554011113. The reversal of 2554011111 is 1111104552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2554011111 - 2⁵ = 2554011079 is a prime.

It is a super-2 number, since 2×2554011111² = 13045945510222908642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554011113) 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, 425668516 + ... + 425668521.

It is an arithmetic number, because the mean of its divisors is an integer number (851337038).

Almost surely, 2^2554011111 is an apocalyptic number.

2554011111 is a deficient number, since it is larger than the sum of its proper divisors (851337041).

2554011111 is an equidigital number, since it uses as much as digits as its factorization.

2554011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851337040.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 2554011111 is about 50537.2250029619. The cubic root of 2554011111 is about 1366.9131685512.

Adding to 2554011111 its reverse (1111104552), we get a palindrome (3665115663).

The spelling of 2554011111 in words is "two billion, five hundred fifty-four million, eleven thousand, one hundred eleven".