1089871051 has 2 divisors, whose sum is σ = 1089871052. Its totient is φ = 1089871050.

The previous prime is 1089871019. The next prime is 1089871067. The reversal of 1089871051 is 1501789801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1501789801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1089871051 - 2⁵ = 1089871019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1089870995 and 1089871013.

It is not a weakly prime, because it can be changed into another prime (1089871151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544935525 + 544935526.

It is an arithmetic number, because the mean of its divisors is an integer number (544935526).

Almost surely, 2^1089871051 is an apocalyptic number.

1089871051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089871051 is an equidigital number, since it uses as much as digits as its factorization.

1089871051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 1089871051 is about 33013.1951043821. The cubic root of 1089871051 is about 1029.1018818237.

The spelling of 1089871051 in words is "one billion, eighty-nine million, eight hundred seventy-one thousand, fifty-one".