1155046317572 has 72 divisors (see below), whose sum is σ = 2358004582080. Its totient is φ = 493619367360.

The previous prime is 1155046317539. The next prime is 1155046317583. The reversal of 1155046317572 is 2757136405511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143676329 + ... + 143684367.

It is an arithmetic number, because the mean of its divisors is an integer number (32750063640).

Almost surely, 2^{1155046317572} is an apocalyptic number.

It is an amenable number.

1155046317572 is an abundant number, since it is smaller than the sum of its proper divisors (1202958264508).

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

1155046317572 is a wasteful number, since it uses less digits than its factorization.

1155046317572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041 (or 10032 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 1155046317572 in words is "one trillion, one hundred fifty-five billion, forty-six million, three hundred seventeen thousand, five hundred seventy-two".