53212111516 has 12 divisors (see below), whose sum is σ = 93122999032. Its totient is φ = 26605540368.

The previous prime is 53212111483. The next prime is 53212111543. The reversal of 53212111516 is 61511121235.

It is a super-3 number, since 3×53212111516³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192511 + ... + 378793.

Almost surely, 2^53212111516 is an apocalyptic number.

It is an amenable number.

53212111516 is a deficient number, since it is larger than the sum of its proper divisors (39910887516).

53212111516 is a wasteful number, since it uses less digits than its factorization.

53212111516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257700 (or 257698 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The spelling of 53212111516 in words is "fifty-three billion, two hundred twelve million, one hundred eleven thousand, five hundred sixteen".