13611147489 has 12 divisors (see below), whose sum is σ = 19851426816. Its totient is φ = 8985999672.

The previous prime is 13611147479. The next prime is 13611147491. The reversal of 13611147489 is 98474111631.

13611147489 is a `hidden beast` number, since 13 + 6 + 11 + 147 + 489 = 666.

It is not a de Polignac number, because 13611147489 - 2⁵ = 13611147457 is a prime.

It is a super-2 number, since 2×13611147489² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13611147479) 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, 7340577 + ... + 7342430.

It is an arithmetic number, because the mean of its divisors is an integer number (1654285568).

Almost surely, 2^13611147489 is an apocalyptic number.

It is an amenable number.

13611147489 is a deficient number, since it is larger than the sum of its proper divisors (6240279327).

13611147489 is a wasteful number, since it uses less digits than its factorization.

13611147489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683116 (or 14683113 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The spelling of 13611147489 in words is "thirteen billion, six hundred eleven million, one hundred forty-seven thousand, four hundred eighty-nine".