2155053611 has 2 divisors, whose sum is σ = 2155053612. Its totient is φ = 2155053610.

The previous prime is 2155053577. The next prime is 2155053631. The reversal of 2155053611 is 1163505512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2155053611 - 2⁶ = 2155053547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2155053631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077526805 + 1077526806.

It is an arithmetic number, because the mean of its divisors is an integer number (1077526806).

Almost surely, 2^2155053611 is an apocalyptic number.

2155053611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155053611 is an equidigital number, since it uses as much as digits as its factorization.

2155053611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 2155053611 is about 46422.5549813881. The cubic root of 2155053611 is about 1291.6733309643.

The spelling of 2155053611 in words is "two billion, one hundred fifty-five million, fifty-three thousand, six hundred eleven".