15725752151 has 2 divisors, whose sum is σ = 15725752152. Its totient is φ = 15725752150.

The previous prime is 15725752139. The next prime is 15725752153. The reversal of 15725752151 is 15125752751.

It is a strong prime.

It is an emirp because it is prime and its reverse (15125752751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15725752151 is a prime.

It is a super-2 number, since 2×15725752151² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 15725752153, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15725752099 and 15725752108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15725752153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7862876075 + 7862876076.

It is an arithmetic number, because the mean of its divisors is an integer number (7862876076).

Almost surely, 2^15725752151 is an apocalyptic number.

15725752151 is a deficient number, since it is larger than the sum of its proper divisors (1).

15725752151 is an equidigital number, since it uses as much as digits as its factorization.

15725752151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122500, while the sum is 41.

The spelling of 15725752151 in words is "fifteen billion, seven hundred twenty-five million, seven hundred fifty-two thousand, one hundred fifty-one".