11135054550 has 24 divisors (see below), whose sum is σ = 27614935656. Its totient is φ = 2969347840.

The previous prime is 11135054543. The next prime is 11135054669. The reversal of 11135054550 is 5545053111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37116699 + ... + 37116998.

It is an arithmetic number, because the mean of its divisors is an integer number (1150622319).

Almost surely, 2^11135054550 is an apocalyptic number.

11135054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11135054550 is an abundant number, since it is smaller than the sum of its proper divisors (16479881106).

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

11135054550 is a wasteful number, since it uses less digits than its factorization.

11135054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74233712 (or 74233707 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 11135054550 in words is "eleven billion, one hundred thirty-five million, fifty-four thousand, five hundred fifty".