11216554635 has 64 divisors (see below), whose sum is σ = 21107713536. Its totient is φ = 5014348800.

The previous prime is 11216554619. The next prime is 11216554681. The reversal of 11216554635 is 53645561211.

It is not a de Polignac number, because 11216554635 - 2⁴ = 11216554619 is a prime.

It is a super-2 number, since 2×11216554635² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 11216554593 and 11216554602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2337799 + ... + 2342591.

It is an arithmetic number, because the mean of its divisors is an integer number (329808024).

Almost surely, 2^11216554635 is an apocalyptic number.

11216554635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11216554635 is a deficient number, since it is larger than the sum of its proper divisors (9891158901).

11216554635 is a wasteful number, since it uses less digits than its factorization.

11216554635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916.

The product of its digits is 108000, while the sum is 39.

The spelling of 11216554635 in words is "eleven billion, two hundred sixteen million, five hundred fifty-four thousand, six hundred thirty-five".