156534131011 has 2 divisors, whose sum is σ = 156534131012. Its totient is φ = 156534131010.

The previous prime is 156534130999. The next prime is 156534131021. The reversal of 156534131011 is 110131435651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 156534131011 - 2¹³ = 156534122819 is a prime.

It is a super-3 number, since 3×156534131011³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (156534131021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78267065505 + 78267065506.

It is an arithmetic number, because the mean of its divisors is an integer number (78267065506).

Almost surely, 2^156534131011 is an apocalyptic number.

156534131011 is a deficient number, since it is larger than the sum of its proper divisors (1).

156534131011 is an equidigital number, since it uses as much as digits as its factorization.

156534131011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 156534131011 its reverse (110131435651), we get a palindrome (266665566662).

The spelling of 156534131011 in words is "one hundred fifty-six billion, five hundred thirty-four million, one hundred thirty-one thousand, eleven".