1155513281802 has 64 divisors (see below), whose sum is σ = 2564148441600. Its totient is φ = 344180732480.

The previous prime is 1155513281801. The next prime is 1155513281803. The reversal of 1155513281802 is 2081823155511.

It is an interprime number because it is at equal distance from previous prime (1155513281801) and next prime (1155513281803).

It is not an unprimeable number, because it can be changed into a prime (1155513281801) by changing a digit.

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, 66107488 + ... + 66124964.

It is an arithmetic number, because the mean of its divisors is an integer number (40064819400).

Almost surely, 2^{1155513281802} is an apocalyptic number.

1155513281802 is an abundant number, since it is smaller than the sum of its proper divisors (1408635159798).

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

1155513281802 is a wasteful number, since it uses less digits than its factorization.

1155513281802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34531.

The product of its (nonzero) digits is 96000, while the sum is 42.

The spelling of 1155513281802 in words is "one trillion, one hundred fifty-five billion, five hundred thirteen million, two hundred eighty-one thousand, eight hundred two".