11555435488 has 24 divisors (see below), whose sum is σ = 22838300352. Its totient is φ = 5755232256.

The previous prime is 11555435453. The next prime is 11555435503. The reversal of 11555435488 is 88453455511.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694320 + ... + 710767.

It is an arithmetic number, because the mean of its divisors is an integer number (951595848).

Almost surely, 2^11555435488 is an apocalyptic number.

It is an amenable number.

11555435488 is a deficient number, since it is larger than the sum of its proper divisors (11282864864).

11555435488 is a wasteful number, since it uses less digits than its factorization.

11555435488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405354 (or 1405346 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 49.

The spelling of 11555435488 in words is "eleven billion, five hundred fifty-five million, four hundred thirty-five thousand, four hundred eighty-eight".