52436510516361 has 4 divisors (see below), whose sum is σ = 69915347355152. Its totient is φ = 34957673677572.

The previous prime is 52436510516339. The next prime is 52436510516381. The reversal of 52436510516361 is 16361501563425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52436510516361 - 2⁷ = 52436510516233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52436510516361.

It is not an unprimeable number, because it can be changed into a prime (52436510516381) 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, 8739418419391 + ... + 8739418419396.

It is an arithmetic number, because the mean of its divisors is an integer number (17478836838788).

Almost surely, 2^{52436510516361} is an apocalyptic number.

It is an amenable number.

52436510516361 is a deficient number, since it is larger than the sum of its proper divisors (17478836838791).

52436510516361 is a wasteful number, since it uses less digits than its factorization.

52436510516361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17478836838790.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 52436510516361 in words is "fifty-two trillion, four hundred thirty-six billion, five hundred ten million, five hundred sixteen thousand, three hundred sixty-one".