15255120101 has 4 divisors (see below), whose sum is σ = 16428590892. Its totient is φ = 14081649312.

The previous prime is 15255120073. The next prime is 15255120107. The reversal of 15255120101 is 10102155251.

15255120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10102155251 = 37 ⋅273031223.

It can be written as a sum of positive squares in 2 ways, for example, as 7673935201 + 7581184900 = 87601^2 + 87070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15255120101 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 (15255120107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 586735376 + ... + 586735401.

It is an arithmetic number, because the mean of its divisors is an integer number (4107147723).

Almost surely, 2^15255120101 is an apocalyptic number.

It is an amenable number.

15255120101 is a deficient number, since it is larger than the sum of its proper divisors (1173470791).

15255120101 is a wasteful number, since it uses less digits than its factorization.

15255120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173470790.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 15255120101 its reverse (10102155251), we get a palindrome (25357275352).

The spelling of 15255120101 in words is "fifteen billion, two hundred fifty-five million, one hundred twenty thousand, one hundred one".