11135153550 has 48 divisors (see below), whose sum is σ = 27993498480. Its totient is φ = 2928695040.

The previous prime is 11135153521. The next prime is 11135153573. The reversal of 11135153550 is 5535153111.

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 23 ways as a sum of consecutive naturals, for example, 497505 + ... + 519404.

It is an arithmetic number, because the mean of its divisors is an integer number (583197885).

Almost surely, 2^11135153550 is an apocalyptic number.

11135153550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11135153550 is an abundant number, since it is smaller than the sum of its proper divisors (16858344930).

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

11135153550 is a wasteful number, since it uses less digits than its factorization.

11135153550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016997 (or 1016992 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 11135153550 in words is "eleven billion, one hundred thirty-five million, one hundred fifty-three thousand, five hundred fifty".