52142101511 has 8 divisors (see below), whose sum is σ = 52222907520. Its totient is φ = 52061335648.

The previous prime is 52142101481. The next prime is 52142101513. The reversal of 52142101511 is 11510124125.

It is a happy number.

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 52142101511 - 2²² = 52137907207 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 (52142101513) 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, 3496970 + ... + 3511848.

It is an arithmetic number, because the mean of its divisors is an integer number (6527863440).

Almost surely, 2^52142101511 is an apocalyptic number.

52142101511 is a deficient number, since it is larger than the sum of its proper divisors (80806009).

52142101511 is a wasteful number, since it uses less digits than its factorization.

52142101511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20073.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 52142101511 its reverse (11510124125), we get a palindrome (63652225636).

The spelling of 52142101511 in words is "fifty-two billion, one hundred forty-two million, one hundred one thousand, five hundred eleven".