1180912887522 has 48 divisors (see below), whose sum is σ = 2563693003872. Its totient is φ = 392861283840.

The previous prime is 1180912887467. The next prime is 1180912887559. The reversal of 1180912887522 is 2257882190811.

It is a happy number.

1180912887522 is a `hidden beast` number, since 1 + 1 + 8 + 0 + 91 + 28 + 8 + 7 + 522 = 666.

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, 53445697 + ... + 53467787.

It is an arithmetic number, because the mean of its divisors is an integer number (53410270914).

Almost surely, 2^{1180912887522} is an apocalyptic number.

1180912887522 is an abundant number, since it is smaller than the sum of its proper divisors (1382780116350).

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

1180912887522 is a wasteful number, since it uses less digits than its factorization.

1180912887522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27823 (or 27820 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 54.

The spelling of 1180912887522 in words is "one trillion, one hundred eighty billion, nine hundred twelve million, eight hundred eighty-seven thousand, five hundred twenty-two".