512021523101 has 8 divisors (see below), whose sum is σ = 558941580000. Its totient is φ = 465163573840.

The previous prime is 512021523049. The next prime is 512021523109. The reversal of 512021523101 is 101325120215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512021523101 - 2¹⁸ = 512021260957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512021523109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15509666 + ... + 15542643.

It is an arithmetic number, because the mean of its divisors is an integer number (69867697500).

Almost surely, 2^512021523101 is an apocalyptic number.

It is an amenable number.

512021523101 is a deficient number, since it is larger than the sum of its proper divisors (46920056899).

512021523101 is a wasteful number, since it uses less digits than its factorization.

512021523101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31053819.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 512021523101 its reverse (101325120215), we get a palindrome (613346643316).

The spelling of 512021523101 in words is "five hundred twelve billion, twenty-one million, five hundred twenty-three thousand, one hundred one".