11221550054 has 16 divisors (see below), whose sum is σ = 19775039760. Its totient is φ = 4708342560.

The previous prime is 11221550003. The next prime is 11221550059. The reversal of 11221550054 is 45005512211.

It is a super-2 number, since 2×11221550054² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221550059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19617809 + ... + 19618380.

It is an arithmetic number, because the mean of its divisors is an integer number (1235939985).

Almost surely, 2^11221550054 is an apocalyptic number.

11221550054 is a deficient number, since it is larger than the sum of its proper divisors (8553489706).

11221550054 is a wasteful number, since it uses less digits than its factorization.

11221550054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39236215.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 11221550054 in words is "eleven billion, two hundred twenty-one million, five hundred fifty thousand, fifty-four".