151121161111 has 2 divisors, whose sum is σ = 151121161112. Its totient is φ = 151121161110.

The previous prime is 151121161097. The next prime is 151121161171. The reversal of 151121161111 is 111161121151.

It is a m-pointer prime, because the next prime (151121161171) can be obtained adding 151121161111 to its product of digits (60).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151121161111 - 2⁹ = 151121160599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151121161171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75560580555 + 75560580556.

It is an arithmetic number, because the mean of its divisors is an integer number (75560580556).

Almost surely, 2^151121161111 is an apocalyptic number.

151121161111 is a deficient number, since it is larger than the sum of its proper divisors (1).

151121161111 is an equidigital number, since it uses as much as digits as its factorization.

151121161111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60, while the sum is 22.

Adding to 151121161111 its reverse (111161121151), we get a palindrome (262282282262).

The spelling of 151121161111 in words is "one hundred fifty-one billion, one hundred twenty-one million, one hundred sixty-one thousand, one hundred eleven".