523115351261 has 8 divisors (see below), whose sum is σ = 545920036800. Its totient is φ = 500315710752.

The previous prime is 523115351257. The next prime is 523115351327. The reversal of 523115351261 is 162153511325.

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 523115351261 - 2² = 523115351257 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 (523111351261) 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, 1048595 + ... + 1464848.

It is an arithmetic number, because the mean of its divisors is an integer number (68240004600).

Almost surely, 2^523115351261 is an apocalyptic number.

It is an amenable number.

523115351261 is a deficient number, since it is larger than the sum of its proper divisors (22804685539).

523115351261 is a wasteful number, since it uses less digits than its factorization.

523115351261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522515.

The product of its digits is 27000, while the sum is 35.

Adding to 523115351261 its reverse (162153511325), we get a palindrome (685268862586).

The spelling of 523115351261 in words is "five hundred twenty-three billion, one hundred fifteen million, three hundred fifty-one thousand, two hundred sixty-one".