1081158535 has 16 divisors (see below), whose sum is σ = 1321227072. Its totient is φ = 849139200.

The previous prime is 1081158509. The next prime is 1081158553. The reversal of 1081158535 is 5358511801.

It is not a de Polignac number, because 1081158535 - 2¹⁵ = 1081125767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1081158494 and 1081158503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79237 + ... + 91873.

It is an arithmetic number, because the mean of its divisors is an integer number (82576692).

Almost surely, 2^1081158535 is an apocalyptic number.

1081158535 is a deficient number, since it is larger than the sum of its proper divisors (240068537).

1081158535 is a wasteful number, since it uses less digits than its factorization.

1081158535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954.

The product of its (nonzero) digits is 24000, while the sum is 37.

The square root of 1081158535 is about 32880.9752744653. The cubic root of 1081158535 is about 1026.3523011597.

The spelling of 1081158535 in words is "one billion, eighty-one million, one hundred fifty-eight thousand, five hundred thirty-five".