11554551100 has 18 divisors (see below), whose sum is σ = 25073376104. Its totient is φ = 4621820400.

The previous prime is 11554551083. The next prime is 11554551121. The reversal of 11554551100 is 115545511.

11554551100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11554551100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57772656 + ... + 57772855.

Almost surely, 2^11554551100 is an apocalyptic number.

11554551100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11554551100 is an abundant number, since it is smaller than the sum of its proper divisors (13518825004).

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

11554551100 is a wasteful number, since it uses less digits than its factorization.

11554551100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115545525 (or 115545518 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 28.

11554551100 divided by its reverse (115545511) gives a square (100 = 10²).

The spelling of 11554551100 in words is "eleven billion, five hundred fifty-four million, five hundred fifty-one thousand, one hundred".