1172048408564 has 18 divisors (see below), whose sum is σ = 2254498076082. Its totient is φ = 532749276400.

The previous prime is 1172048408551. The next prime is 1172048408567. The reversal of 1172048408564 is 4658048402711.

It can be written as a sum of positive squares in only one way, i.e., 998040960400 + 174007448164 = 999020^2 + 417142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172048408567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1210793327 + ... + 1210794294.

Almost surely, 2^{1172048408564} is an apocalyptic number.

It is an amenable number.

1172048408564 is a deficient number, since it is larger than the sum of its proper divisors (1082449667518).

1172048408564 is a wasteful number, since it uses less digits than its factorization.

1172048408564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421587647 (or 2421587634 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 1172048408564 in words is "one trillion, one hundred seventy-two billion, forty-eight million, four hundred eight thousand, five hundred sixty-four".