2545400111 has 4 divisors (see below), whose sum is σ = 2627509824. Its totient is φ = 2463290400.

The previous prime is 2545400083. The next prime is 2545400119. The reversal of 2545400111 is 1110045452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545400111 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 (2545400119) 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, 41054810 + ... + 41054871.

It is an arithmetic number, because the mean of its divisors is an integer number (656877456).

Almost surely, 2^2545400111 is an apocalyptic number.

2545400111 is a deficient number, since it is larger than the sum of its proper divisors (82109713).

2545400111 is an equidigital number, since it uses as much as digits as its factorization.

2545400111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82109712.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2545400111 is about 50451.9584456342. The cubic root of 2545400111 is about 1365.3752292188.

Adding to 2545400111 its reverse (1110045452), we get a palindrome (3655445563).

The spelling of 2545400111 in words is "two billion, five hundred forty-five million, four hundred thousand, one hundred eleven".