1117211463551 has 2 divisors, whose sum is σ = 1117211463552. Its totient is φ = 1117211463550.

The previous prime is 1117211463527. The next prime is 1117211463553. The reversal of 1117211463551 is 1553641127111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1553641127111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117211463551 is a prime.

It is a super-2 number, since 2×1117211463551² (a number of 25 digits) contains 22 as substring.

Together with 1117211463553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117211463553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558605731775 + 558605731776.

It is an arithmetic number, because the mean of its divisors is an integer number (558605731776).

Almost surely, 2^{1117211463551} is an apocalyptic number.

1117211463551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117211463551 is an equidigital number, since it uses as much as digits as its factorization.

1117211463551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 38.

The spelling of 1117211463551 in words is "one trillion, one hundred seventeen billion, two hundred eleven million, four hundred sixty-three thousand, five hundred fifty-one".