5212133511553 has 4 divisors (see below), whose sum is σ = 5213538781780. Its totient is φ = 5210728241328.

The previous prime is 5212133511551. The next prime is 5212133511583. The reversal of 5212133511553 is 3551153312125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1074680542224 + 4137452969329 = 1036668^2 + 2034073^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212133511553 - 2¹ = 5212133511551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5212133511551) 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, 702629550 + ... + 702636967.

It is an arithmetic number, because the mean of its divisors is an integer number (1303384695445).

Almost surely, 2^{5212133511553} is an apocalyptic number.

It is an amenable number.

5212133511553 is a deficient number, since it is larger than the sum of its proper divisors (1405270227).

5212133511553 is a wasteful number, since it uses less digits than its factorization.

5212133511553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405270226.

The product of its digits is 67500, while the sum is 37.

Adding to 5212133511553 its reverse (3551153312125), we get a palindrome (8763286823678).

The spelling of 5212133511553 in words is "five trillion, two hundred twelve billion, one hundred thirty-three million, five hundred eleven thousand, five hundred fifty-three".