1155433021532 has 12 divisors (see below), whose sum is σ = 2024544816840. Its totient is φ = 576991645296.

The previous prime is 1155433021517. The next prime is 1155433021541. The reversal of 1155433021532 is 2351203345511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1155433021492 and 1155433021501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181212782 + ... + 181219157.

It is an arithmetic number, because the mean of its divisors is an integer number (168712068070).

Almost surely, 2^{1155433021532} is an apocalyptic number.

It is an amenable number.

1155433021532 is a deficient number, since it is larger than the sum of its proper divisors (869111795308).

1155433021532 is a wasteful number, since it uses less digits than its factorization.

1155433021532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362432740 (or 362432738 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 1155433021532 in words is "one trillion, one hundred fifty-five billion, four hundred thirty-three million, twenty-one thousand, five hundred thirty-two".