1151120422555 has 32 divisors (see below), whose sum is σ = 1416081021696. Its totient is φ = 897819721344.

The previous prime is 1151120422541. The next prime is 1151120422597. The reversal of 1151120422555 is 5552240211511.

It is a cyclic number.

It is not a de Polignac number, because 1151120422555 - 2¹⁷ = 1151120291483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151120422555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404894964 + ... + 404897806.

It is an arithmetic number, because the mean of its divisors is an integer number (44252531928).

Almost surely, 2^{1151120422555} is an apocalyptic number.

1151120422555 is a deficient number, since it is larger than the sum of its proper divisors (264960599141).

1151120422555 is a wasteful number, since it uses less digits than its factorization.

1151120422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 1151120422555 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, four hundred twenty-two thousand, five hundred fifty-five".