11645424546 has 16 divisors (see below), whose sum is σ = 26618113344. Its totient is φ = 3327264144.

The previous prime is 11645424517. The next prime is 11645424619. The reversal of 11645424546 is 64542454611.

It is a happy number.

11645424546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11645424546² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 277272013 = 11645424546 / (1 + 1 + 6 + 4 + 5 + 4 + 2 + 4 + 5 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 11645424498 and 11645424507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138635965 + ... + 138636048.

It is an arithmetic number, because the mean of its divisors is an integer number (1663632084).

Almost surely, 2^11645424546 is an apocalyptic number.

11645424546 is an abundant number, since it is smaller than the sum of its proper divisors (14972688798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11645424546 is a wasteful number, since it uses less digits than its factorization.

11645424546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277272025.

The product of its digits is 460800, while the sum is 42.

The spelling of 11645424546 in words is "eleven billion, six hundred forty-five million, four hundred twenty-four thousand, five hundred forty-six".