1151120422556 has 48 divisors (see below), whose sum is σ = 2177953749888. Its totient is φ = 529197235200.

The previous prime is 1151120422541. The next prime is 1151120422597. The reversal of 1151120422556 is 6552240211511.

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, 82022516 + ... + 82036548.

It is an arithmetic number, because the mean of its divisors is an integer number (45374036456).

Almost surely, 2^{1151120422556} is an apocalyptic number.

It is an amenable number.

1151120422556 is a deficient number, since it is larger than the sum of its proper divisors (1026833327332).

1151120422556 is a wasteful number, since it uses less digits than its factorization.

1151120422556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142 (or 20140 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 1151120422556 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, four hundred twenty-two thousand, five hundred fifty-six".