1115900671 has 2 divisors, whose sum is σ = 1115900672. Its totient is φ = 1115900670.

The previous prime is 1115900629. The next prime is 1115900677. The reversal of 1115900671 is 1760095111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115900671 - 2⁷ = 1115900543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115900677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557950335 + 557950336.

It is an arithmetic number, because the mean of its divisors is an integer number (557950336).

Almost surely, 2^1115900671 is an apocalyptic number.

1115900671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115900671 is an equidigital number, since it uses as much as digits as its factorization.

1115900671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 31.

The square root of 1115900671 is about 33405.0994759782. The cubic root of 1115900671 is about 1037.2302629886.

Adding to 1115900671 its reverse (1760095111), we get a palindrome (2875995782).

The spelling of 1115900671 in words is "one billion, one hundred fifteen million, nine hundred thousand, six hundred seventy-one".