151113121111 has 2 divisors, whose sum is σ = 151113121112. Its totient is φ = 151113121110.

The previous prime is 151113121067. The next prime is 151113121139. The reversal of 151113121111 is 111121311151.

It is a strong prime.

It is an emirp because it is prime and its reverse (111121311151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151113121111 - 2¹¹ = 151113119063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151113121711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75556560555 + 75556560556.

It is an arithmetic number, because the mean of its divisors is an integer number (75556560556).

Almost surely, 2^151113121111 is an apocalyptic number.

151113121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

151113121111 is an equidigital number, since it uses as much as digits as its factorization.

151113121111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30, while the sum is 19.

Adding to 151113121111 its reverse (111121311151), we get a palindrome (262234432262).

The spelling of 151113121111 in words is "one hundred fifty-one billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred eleven".