2455220231111 has 4 divisors (see below), whose sum is σ = 2515103651424. Its totient is φ = 2395336810800.

The previous prime is 2455220231071. The next prime is 2455220231129. The reversal of 2455220231111 is 1111320225542.

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

It is a cyclic number.

It is not a de Polignac number, because 2455220231111 - 2⁶ = 2455220231047 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 (2455220231011) 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, 29941710095 + ... + 29941710176.

It is an arithmetic number, because the mean of its divisors is an integer number (628775912856).

Almost surely, 2^{2455220231111} is an apocalyptic number.

2455220231111 is a deficient number, since it is larger than the sum of its proper divisors (59883420313).

2455220231111 is an equidigital number, since it uses as much as digits as its factorization.

2455220231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59883420312.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2455220231111 its reverse (1111320225542), we get a palindrome (3566540456653).

The spelling of 2455220231111 in words is "two trillion, four hundred fifty-five billion, two hundred twenty million, two hundred thirty-one thousand, one hundred eleven".