1152285163278 has 32 divisors (see below), whose sum is σ = 2379941578752. Its totient is φ = 371543911200.

The previous prime is 1152285163259. The next prime is 1152285163283. The reversal of 1152285163278 is 8723615822511.

It is a super-2 number, since 2×1152285163278² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1152285163278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910501 + ... + 1770192.

It is an arithmetic number, because the mean of its divisors is an integer number (74373174336).

Almost surely, 2^{1152285163278} is an apocalyptic number.

1152285163278 is an abundant number, since it is smaller than the sum of its proper divisors (1227656415474).

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

1152285163278 is a wasteful number, since it uses less digits than its factorization.

1152285163278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683040.

The product of its digits is 1612800, while the sum is 51.

The spelling of 1152285163278 in words is "one trillion, one hundred fifty-two billion, two hundred eighty-five million, one hundred sixty-three thousand, two hundred seventy-eight".