53206503511 has 16 divisors (see below), whose sum is σ = 61161053184. Its totient is φ = 45341057664.

The previous prime is 53206503509. The next prime is 53206503517. The reversal of 53206503511 is 11530560235.

53206503511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53206503511 - 2¹ = 53206503509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53206503517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897295 + ... + 954751.

It is an arithmetic number, because the mean of its divisors is an integer number (3822565824).

Almost surely, 2^53206503511 is an apocalyptic number.

53206503511 is a deficient number, since it is larger than the sum of its proper divisors (7954549673).

53206503511 is a wasteful number, since it uses less digits than its factorization.

53206503511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58230.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 53206503511 in words is "fifty-three billion, two hundred six million, five hundred three thousand, five hundred eleven".