1155435323044 has 24 divisors (see below), whose sum is σ = 2071027038080. Its totient is φ = 563739178464.

The previous prime is 1155435323033. The next prime is 1155435323059. The reversal of 1155435323044 is 4403235345511.

It is a junction number, because it is equal to n+sod(n) for n = 1155435322988 and 1155435323006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054039 + ... + 3411454.

Almost surely, 2^{1155435323044} is an apocalyptic number.

It is an amenable number.

1155435323044 is a deficient number, since it is larger than the sum of its proper divisors (915591715036).

1155435323044 is a wasteful number, since it uses less digits than its factorization.

1155435323044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466579 (or 6466577 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 1155435323044 in words is "one trillion, one hundred fifty-five billion, four hundred thirty-five million, three hundred twenty-three thousand, forty-four".