11605003487 has 16 divisors (see below), whose sum is σ = 15097646592. Its totient is φ = 8649690720.

The previous prime is 11605003447. The next prime is 11605003489. The reversal of 11605003487 is 78430050611.

It is not a de Polignac number, because 11605003487 - 2¹⁶ = 11604937951 is a prime.

It is a super-2 number, since 2×11605003487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605003489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3274628 + ... + 3278169.

It is an arithmetic number, because the mean of its divisors is an integer number (943602912).

Almost surely, 2^11605003487 is an apocalyptic number.

11605003487 is a deficient number, since it is larger than the sum of its proper divisors (3492643105).

11605003487 is a wasteful number, since it uses less digits than its factorization.

11605003487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552838.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 11605003487 in words is "eleven billion, six hundred five million, three thousand, four hundred eighty-seven".