53015302511 has 4 divisors (see below), whose sum is σ = 53216881872. Its totient is φ = 52813723152.

The previous prime is 53015302489. The next prime is 53015302523. The reversal of 53015302511 is 11520351035.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53015302511 - 2⁶ = 53015302447 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 (53015002511) 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, 100789286 + ... + 100789811.

It is an arithmetic number, because the mean of its divisors is an integer number (13304220468).

Almost surely, 2^53015302511 is an apocalyptic number.

53015302511 is a deficient number, since it is larger than the sum of its proper divisors (201579361).

53015302511 is a wasteful number, since it uses less digits than its factorization.

53015302511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201579360.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 53015302511 its reverse (11520351035), we get a palindrome (64535653546).

The spelling of 53015302511 in words is "fifty-three billion, fifteen million, three hundred two thousand, five hundred eleven".