15601248011 has 2 divisors, whose sum is σ = 15601248012. Its totient is φ = 15601248010.

The previous prime is 15601247999. The next prime is 15601248017. The reversal of 15601248011 is 11084210651.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15601248011 is a prime.

It is a super-2 number, since 2×15601248011² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (15601248017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7800624005 + 7800624006.

It is an arithmetic number, because the mean of its divisors is an integer number (7800624006).

Almost surely, 2^15601248011 is an apocalyptic number.

15601248011 is a deficient number, since it is larger than the sum of its proper divisors (1).

15601248011 is an equidigital number, since it uses as much as digits as its factorization.

15601248011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

Adding to 15601248011 its reverse (11084210651), we get a palindrome (26685458662).

The spelling of 15601248011 in words is "fifteen billion, six hundred one million, two hundred forty-eight thousand, eleven".