11411244551 has 4 divisors (see below), whose sum is σ = 13041422352. Its totient is φ = 9781066752.

The previous prime is 11411244521. The next prime is 11411244571. The reversal of 11411244551 is 15544211411.

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 11411244551 - 2¹⁴ = 11411228167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411244521) 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, 815088890 + ... + 815088903.

It is an arithmetic number, because the mean of its divisors is an integer number (3260355588).

Almost surely, 2^11411244551 is an apocalyptic number.

11411244551 is a deficient number, since it is larger than the sum of its proper divisors (1630177801).

11411244551 is an equidigital number, since it uses as much as digits as its factorization.

11411244551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630177800.

The product of its digits is 3200, while the sum is 29.

Adding to 11411244551 its reverse (15544211411), we get a palindrome (26955455962).

The spelling of 11411244551 in words is "eleven billion, four hundred eleven million, two hundred forty-four thousand, five hundred fifty-one".