11532426644 has 12 divisors (see below), whose sum is σ = 20182833300. Its totient is φ = 5765902848.

The previous prime is 11532426641. The next prime is 11532426683. The reversal of 11532426644 is 44662423511.

It can be written as a sum of positive squares in 2 ways, for example, as 104816644 + 11427610000 = 10238^2 + 106900^2 .

It is a super-2 number, since 2×11532426644² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11532426598 and 11532426607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532426641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19442 + ... + 153110.

It is an arithmetic number, because the mean of its divisors is an integer number (1681902775).

Almost surely, 2^11532426644 is an apocalyptic number.

It is an amenable number.

11532426644 is a deficient number, since it is larger than the sum of its proper divisors (8650406656).

11532426644 is a wasteful number, since it uses less digits than its factorization.

11532426644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155242 (or 155240 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The spelling of 11532426644 in words is "eleven billion, five hundred thirty-two million, four hundred twenty-six thousand, six hundred forty-four".