10154221055 has 32 divisors (see below), whose sum is σ = 13370558976. Its totient is φ = 7341840000.

The previous prime is 10154221039. The next prime is 10154221061. The reversal of 10154221055 is 55012245101.

It is not a de Polignac number, because 10154221055 - 2⁴ = 10154221039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9848390 + ... + 9849420.

It is an arithmetic number, because the mean of its divisors is an integer number (417829968).

Almost surely, 2^10154221055 is an apocalyptic number.

10154221055 is a deficient number, since it is larger than the sum of its proper divisors (3216337921).

10154221055 is a wasteful number, since it uses less digits than its factorization.

10154221055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

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

Adding to 10154221055 its reverse (55012245101), we get a palindrome (65166466156).

The spelling of 10154221055 in words is "ten billion, one hundred fifty-four million, two hundred twenty-one thousand, fifty-five".