87113034511 has 2 divisors, whose sum is σ = 87113034512. Its totient is φ = 87113034510.

The previous prime is 87113034509. The next prime is 87113034629. The reversal of 87113034511 is 11543031178.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87113034511 - 2¹ = 87113034509 is a prime.

Together with 87113034509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87113035511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43556517255 + 43556517256.

It is an arithmetic number, because the mean of its divisors is an integer number (43556517256).

Almost surely, 2^87113034511 is an apocalyptic number.

87113034511 is a deficient number, since it is larger than the sum of its proper divisors (1).

87113034511 is an equidigital number, since it uses as much as digits as its factorization.

87113034511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 87113034511 its reverse (11543031178), we get a palindrome (98656065689).

The spelling of 87113034511 in words is "eighty-seven billion, one hundred thirteen million, thirty-four thousand, five hundred eleven".