2155001383 has 2 divisors, whose sum is σ = 2155001384. Its totient is φ = 2155001382.

The previous prime is 2155001377. The next prime is 2155001419. The reversal of 2155001383 is 3831005512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2155001383 - 2⁹ = 2155000871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155101383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077500691 + 1077500692.

It is an arithmetic number, because the mean of its divisors is an integer number (1077500692).

Almost surely, 2^2155001383 is an apocalyptic number.

2155001383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155001383 is an equidigital number, since it uses as much as digits as its factorization.

2155001383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2155001383 is about 46421.9924497000. The cubic root of 2155001383 is about 1291.6628962572.

Adding to 2155001383 its reverse (3831005512), we get a palindrome (5986006895).

The spelling of 2155001383 in words is "two billion, one hundred fifty-five million, one thousand, three hundred eighty-three".