11154025550 has 96 divisors (see below), whose sum is σ = 22837725792. Its totient is φ = 4035502080.

The previous prime is 11154025537. The next prime is 11154025591. The reversal of 11154025550 is 5552045111.

11154025550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 2608214 + ... + 2612486.

It is an arithmetic number, because the mean of its divisors is an integer number (237892977).

Almost surely, 2^11154025550 is an apocalyptic number.

11154025550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11154025550 is an abundant number, since it is smaller than the sum of its proper divisors (11683700242).

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

11154025550 is a wasteful number, since it uses less digits than its factorization.

11154025550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 11154025550 in words is "eleven billion, one hundred fifty-four million, twenty-five thousand, five hundred fifty".