523145511311051 has 8 divisors (see below), whose sum is σ = 550681652645520. Its totient is φ = 495609586682112.

The previous prime is 523145511311047. The next prime is 523145511311069. The reversal of 523145511311051 is 150113115541325.

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 523145511311051 - 2² = 523145511311047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523145511310996 and 523145511311014.

It is not an unprimeable number, because it can be changed into a prime (523145511319051) 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, 49209470 + ... + 58888563.

It is an arithmetic number, because the mean of its divisors is an integer number (68835206580690).

Almost surely, 2^{523145511311051} is an apocalyptic number.

523145511311051 is a deficient number, since it is larger than the sum of its proper divisors (27536141334469).

523145511311051 is a wasteful number, since it uses less digits than its factorization.

523145511311051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108352765.

The product of its (nonzero) digits is 45000, while the sum is 38.

Adding to 523145511311051 its reverse (150113115541325), we get a palindrome (673258626852376).

The spelling of 523145511311051 in words is "five hundred twenty-three trillion, one hundred forty-five billion, five hundred eleven million, three hundred eleven thousand, fifty-one".