11146689090 has 24 divisors (see below), whose sum is σ = 28981391868. Its totient is φ = 2972450400.

The previous prime is 11146689089. The next prime is 11146689101. The reversal of 11146689090 is 9098664111.

11146689090 is a `hidden beast` number, since 1 + 11 + 466 + 8 + 90 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10689285321 + 457403769 = 103389^2 + 21387^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61925961 + ... + 61926140.

Almost surely, 2^11146689090 is an apocalyptic number.

11146689090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11146689090 is an abundant number, since it is smaller than the sum of its proper divisors (17834702778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11146689090 is a wasteful number, since it uses less digits than its factorization.

11146689090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123852114 (or 123852111 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 11146689090 in words is "eleven billion, one hundred forty-six million, six hundred eighty-nine thousand, ninety".