6155450111 has 2 divisors, whose sum is σ = 6155450112. Its totient is φ = 6155450110.

The previous prime is 6155450087. The next prime is 6155450131. The reversal of 6155450111 is 1110545516.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6155450111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6155450131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077725055 + 3077725056.

It is an arithmetic number, because the mean of its divisors is an integer number (3077725056).

Almost surely, 2^6155450111 is an apocalyptic number.

6155450111 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155450111 is an equidigital number, since it uses as much as digits as its factorization.

6155450111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 29.

The square root of 6155450111 is about 78456.6766502380. The cubic root of 6155450111 is about 1832.6798515678.

Adding to 6155450111 its reverse (1110545516), we get a palindrome (7265995627).

The spelling of 6155450111 in words is "six billion, one hundred fifty-five million, four hundred fifty thousand, one hundred eleven".