11690015049 has 12 divisors (see below), whose sum is σ = 17008831476. Its totient is φ = 7736456832.

The previous prime is 11690015047. The next prime is 11690015053. The reversal of 11690015049 is 94051009611.

It can be written as a sum of positive squares in 2 ways, for example, as 7198334649 + 4491680400 = 84843^2 + 67020^2 .

It is not a de Polignac number, because 11690015049 - 2¹ = 11690015047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11690015047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4739244 + ... + 4741709.

It is an arithmetic number, because the mean of its divisors is an integer number (1417402623).

Almost surely, 2^11690015049 is an apocalyptic number.

It is an amenable number.

11690015049 is a deficient number, since it is larger than the sum of its proper divisors (5318816427).

11690015049 is a wasteful number, since it uses less digits than its factorization.

11690015049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9481096 (or 9481093 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 11690015049 in words is "eleven billion, six hundred ninety million, fifteen thousand, forty-nine".