11651049 has 6 divisors (see below), whose sum is σ = 16829306. Its totient is φ = 7767360.

The previous prime is 11651039. The next prime is 11651053. The reversal of 11651049 is 94015611.

11651049 is a `hidden beast` number, since 1 + 1 + 651 + 0 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 4665600 = 2643^2 + 2160^2 .

It is not a de Polignac number, because 11651049 - 2⁴ = 11651033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11651039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647272 + ... + 647289.

Almost surely, 2^11651049 is an apocalyptic number.

It is an amenable number.

11651049 is a deficient number, since it is larger than the sum of its proper divisors (5178257).

11651049 is a wasteful number, since it uses less digits than its factorization.

11651049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294567 (or 1294564 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11651049 is about 3413.3632973945. The cubic root of 11651049 is about 226.7018214889.

The spelling of 11651049 in words is "eleven million, six hundred fifty-one thousand, forty-nine".