53012203511 has 4 divisors (see below), whose sum is σ = 54722274624. Its totient is φ = 51302132400.

The previous prime is 53012203483. The next prime is 53012203523. The reversal of 53012203511 is 11530221035.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53012203511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53012203561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855035510 + ... + 855035571.

It is an arithmetic number, because the mean of its divisors is an integer number (13680568656).

Almost surely, 2^53012203511 is an apocalyptic number.

53012203511 is a deficient number, since it is larger than the sum of its proper divisors (1710071113).

53012203511 is a wasteful number, since it uses less digits than its factorization.

53012203511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710071112.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 53012203511 its reverse (11530221035), we get a palindrome (64542424546).

The spelling of 53012203511 in words is "fifty-three billion, twelve million, two hundred three thousand, five hundred eleven".