1122143550511 has 4 divisors (see below), whose sum is σ = 1181203737400. Its totient is φ = 1063083363624.

The previous prime is 1122143550497. The next prime is 1122143550599. The reversal of 1122143550511 is 1150553412211.

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 1122143550511 - 2³⁷ = 984704597039 is a prime.

It is a super-2 number, since 2×1122143550511² (a number of 25 digits) 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 (1122143550211) 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, 29530093416 + ... + 29530093453.

It is an arithmetic number, because the mean of its divisors is an integer number (295300934350).

Almost surely, 2^{1122143550511} is an apocalyptic number.

1122143550511 is a deficient number, since it is larger than the sum of its proper divisors (59060186889).

1122143550511 is an equidigital number, since it uses as much as digits as its factorization.

1122143550511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59060186888.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 1122143550511 its reverse (1150553412211), we get a palindrome (2272696962722).

The spelling of 1122143550511 in words is "one trillion, one hundred twenty-two billion, one hundred forty-three million, five hundred fifty thousand, five hundred eleven".