1090688155 has 16 divisors (see below), whose sum is σ = 1334016000. Its totient is φ = 855882720.

The previous prime is 1090688153. The next prime is 1090688171. The reversal of 1090688155 is 5518860901.

It is not a de Polignac number, because 1090688155 - 2¹ = 1090688153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090688153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62926 + ... + 78364.

It is an arithmetic number, because the mean of its divisors is an integer number (83376000).

Almost surely, 2^1090688155 is an apocalyptic number.

1090688155 is a deficient number, since it is larger than the sum of its proper divisors (243327845).

1090688155 is a wasteful number, since it uses less digits than its factorization.

1090688155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 1090688155 is about 33025.5682010166. The cubic root of 1090688155 is about 1029.3589988489.

The spelling of 1090688155 in words is "one billion, ninety million, six hundred eighty-eight thousand, one hundred fifty-five".