54112210154111 has 2 divisors, whose sum is σ = 54112210154112. Its totient is φ = 54112210154110.

The previous prime is 54112210154087. The next prime is 54112210154239. The reversal of 54112210154111 is 11145101221145.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54112210154111 is a prime.

It is a super-2 number, since 2×54112210154111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54112210154011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27056105077055 + 27056105077056.

It is an arithmetic number, because the mean of its divisors is an integer number (27056105077056).

Almost surely, 2^{54112210154111} is an apocalyptic number.

54112210154111 is a deficient number, since it is larger than the sum of its proper divisors (1).

54112210154111 is an equidigital number, since it uses as much as digits as its factorization.

54112210154111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 29.

Adding to 54112210154111 its reverse (11145101221145), we get a palindrome (65257311375256).

The spelling of 54112210154111 in words is "fifty-four trillion, one hundred twelve billion, two hundred ten million, one hundred fifty-four thousand, one hundred eleven".