53112051511 has 2 divisors, whose sum is σ = 53112051512. Its totient is φ = 53112051510.

The previous prime is 53112051497. The next prime is 53112051521. The reversal of 53112051511 is 11515021135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53112051511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53112051521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556025755 + 26556025756.

It is an arithmetic number, because the mean of its divisors is an integer number (26556025756).

Almost surely, 2^53112051511 is an apocalyptic number.

53112051511 is a deficient number, since it is larger than the sum of its proper divisors (1).

53112051511 is an equidigital number, since it uses as much as digits as its factorization.

53112051511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 53112051511 its reverse (11515021135), we get a palindrome (64627072646).

The spelling of 53112051511 in words is "fifty-three billion, one hundred twelve million, fifty-one thousand, five hundred eleven".