11013555455 has 16 divisors (see below), whose sum is σ = 15113286720. Its totient is φ = 7547661312.

The previous prime is 11013555439. The next prime is 11013555461. The reversal of 11013555455 is 55455531011.

It is a cyclic number.

It is not a de Polignac number, because 11013555455 - 2⁴ = 11013555439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 33320 + ... + 152109.

It is an arithmetic number, because the mean of its divisors is an integer number (944580420).

Almost surely, 2^11013555455 is an apocalyptic number.

11013555455 is a deficient number, since it is larger than the sum of its proper divisors (4099731265).

11013555455 is a wasteful number, since it uses less digits than its factorization.

11013555455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187138.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 11013555455 in words is "eleven billion, thirteen million, five hundred fifty-five thousand, four hundred fifty-five".