11151016605 has 32 divisors (see below), whose sum is σ = 20020331520. Its totient is φ = 5888318400.

The previous prime is 11151016559. The next prime is 11151016621. The reversal of 11151016605 is 50661015111.

11151016605 is a `hidden beast` number, since 1 + 1 + 1 + 51 + 0 + 1 + 6 + 605 = 666.

It is not a de Polignac number, because 11151016605 - 2⁷ = 11151016477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395277 + ... + 422546.

It is an arithmetic number, because the mean of its divisors is an integer number (625635360).

Almost surely, 2^11151016605 is an apocalyptic number.

11151016605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11151016605 is a deficient number, since it is larger than the sum of its proper divisors (8869314915).

11151016605 is a wasteful number, since it uses less digits than its factorization.

11151016605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817938 (or 817932 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 11151016605 in words is "eleven billion, one hundred fifty-one million, sixteen thousand, six hundred five".