1161404524 has 12 divisors (see below), whose sum is σ = 2322809104. Its totient is φ = 497744784.

The previous prime is 1161404449. The next prime is 1161404539. The reversal of 1161404524 is 4254041611.

1161404524 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 41478733 = 1161404524 / (1 + 1 + 6 + 1 + 4 + 0 + 4 + 5 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1161404492 and 1161404501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20739339 + ... + 20739394.

Almost surely, 2^1161404524 is an apocalyptic number.

1161404524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1161404524 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1161404524 is a wasteful number, since it uses less digits than its factorization.

1161404524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41478744 (or 41478742 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1161404524 is about 34079.3856165278. The cubic root of 1161404524 is about 1051.1414718654.

The spelling of 1161404524 in words is "one billion, one hundred sixty-one million, four hundred four thousand, five hundred twenty-four".