4526012511523 has 4 divisors (see below), whose sum is σ = 4764223696360. Its totient is φ = 4287801326688.

The previous prime is 4526012511497. The next prime is 4526012511539. The reversal of 4526012511523 is 3251152106254.

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

It is a cyclic number.

It is not a de Polignac number, because 4526012511523 - 2⁵ = 4526012511491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4526012511323) 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, 119105592390 + ... + 119105592427.

It is an arithmetic number, because the mean of its divisors is an integer number (1191055924090).

Almost surely, 2^{4526012511523} is an apocalyptic number.

4526012511523 is a deficient number, since it is larger than the sum of its proper divisors (238211184837).

4526012511523 is a wasteful number, since it uses less digits than its factorization.

4526012511523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238211184836.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 4526012511523 its reverse (3251152106254), we get a palindrome (7777164617777).

The spelling of 4526012511523 in words is "four trillion, five hundred twenty-six billion, twelve million, five hundred eleven thousand, five hundred twenty-three".