15252443101 has 12 divisors (see below), whose sum is σ = 17784805980. Its totient is φ = 13042451520.

The previous prime is 15252443051. The next prime is 15252443161. The reversal of 15252443101 is 10134425251.

It can be written as a sum of positive squares in 2 ways, for example, as 3355305625 + 11897137476 = 57925^2 + 109074^2 .

It is not a de Polignac number, because 15252443101 - 2⁹ = 15252442589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15252443101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15252443161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349056 + ... + 390313.

It is an arithmetic number, because the mean of its divisors is an integer number (1482067165).

Almost surely, 2^15252443101 is an apocalyptic number.

It is an amenable number.

15252443101 is a deficient number, since it is larger than the sum of its proper divisors (2532362879).

15252443101 is an equidigital number, since it uses as much as digits as its factorization.

15252443101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739804 (or 739797 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15252443101 its reverse (10134425251), we get a palindrome (25386868352).

It can be divided in two parts, 152524 and 43101, that added together give a triangular number (195625 = T₆₂₅).

The spelling of 15252443101 in words is "fifteen billion, two hundred fifty-two million, four hundred forty-three thousand, one hundred one".