2155533411037 has 2 divisors, whose sum is σ = 2155533411038. Its totient is φ = 2155533411036.

The previous prime is 2155533410999. The next prime is 2155533411041. The reversal of 2155533411037 is 7301143355512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119848616441 + 1035684794596 = 1058229^2 + 1017686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155533411037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155533411137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077766705518 + 1077766705519.

It is an arithmetic number, because the mean of its divisors is an integer number (1077766705519).

Almost surely, 2^{2155533411037} is an apocalyptic number.

It is an amenable number.

2155533411037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155533411037 is an equidigital number, since it uses as much as digits as its factorization.

2155533411037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

Adding to 2155533411037 its reverse (7301143355512), we get a palindrome (9456676766549).

The spelling of 2155533411037 in words is "two trillion, one hundred fifty-five billion, five hundred thirty-three million, four hundred eleven thousand, thirty-seven".