53143513311 has 32 divisors (see below), whose sum is σ = 83817361408. Its totient is φ = 29309195520.

The previous prime is 53143513279. The next prime is 53143513333. The reversal of 53143513311 is 11331534135.

It is not a de Polignac number, because 53143513311 - 2⁵ = 53143513279 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 (53143517311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133395 + ... + 352251.

It is an arithmetic number, because the mean of its divisors is an integer number (2619292544).

Almost surely, 2^53143513311 is an apocalyptic number.

53143513311 is a deficient number, since it is larger than the sum of its proper divisors (30673848097).

53143513311 is a wasteful number, since it uses less digits than its factorization.

53143513311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219271.

The product of its digits is 8100, while the sum is 30.

The spelling of 53143513311 in words is "fifty-three billion, one hundred forty-three million, five hundred thirteen thousand, three hundred eleven".