1155038031841 has 2 divisors, whose sum is σ = 1155038031842. Its totient is φ = 1155038031840.

The previous prime is 1155038031809. The next prime is 1155038031853. The reversal of 1155038031841 is 1481308305511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134855567616 + 20182464225 = 1065296^2 + 142065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155038031841 - 2⁵ = 1155038031809 is a prime.

It is a super-2 number, since 2×1155038031841² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155038031794 and 1155038031803.

It is not a weakly prime, because it can be changed into another prime (1155038034841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577519015920 + 577519015921.

It is an arithmetic number, because the mean of its divisors is an integer number (577519015921).

Almost surely, 2^{1155038031841} is an apocalyptic number.

It is an amenable number.

1155038031841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155038031841 is an equidigital number, since it uses as much as digits as its factorization.

1155038031841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 1155038031841 in words is "one trillion, one hundred fifty-five billion, thirty-eight million, thirty-one thousand, eight hundred forty-one".