15200111101 has 6 divisors (see below), whose sum is σ = 17681761950. Its totient is φ = 13028666616.

The previous prime is 15200111033. The next prime is 15200111107. The reversal of 15200111101 is 10111100251.

It can be written as a sum of positive squares in only one way, i.e., 15195492900 + 4618201 = 123270^2 + 2149^2 .

It is not a de Polignac number, because 15200111101 - 2³¹ = 13052627453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15200111107) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 155103126 + ... + 155103223.

It is an arithmetic number, because the mean of its divisors is an integer number (2946960325).

Almost surely, 2^15200111101 is an apocalyptic number.

It is an amenable number.

15200111101 is a deficient number, since it is larger than the sum of its proper divisors (2481650849).

15200111101 is an equidigital number, since it uses as much as digits as its factorization.

15200111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310206363 (or 310206356 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 13.

Adding to 15200111101 its reverse (10111100251), we get a palindrome (25311211352).

The spelling of 15200111101 in words is "fifteen billion, two hundred million, one hundred eleven thousand, one hundred one".