10331122645506 has 64 divisors (see below), whose sum is σ = 22402812297600. Its totient is φ = 3157215659520.

The previous prime is 10331122645453. The next prime is 10331122645517. The reversal of 10331122645506 is 60554622113301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182239486 + ... + 182296166.

It is an arithmetic number, because the mean of its divisors is an integer number (350043942150).

Almost surely, 2^{10331122645506} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10331122645506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11201406148800).

10331122645506 is an abundant number, since it is smaller than the sum of its proper divisors (12071689652094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10331122645506 is a wasteful number, since it uses less digits than its factorization.

10331122645506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72531.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 10331122645506 its reverse (60554622113301), we get a palindrome (70885744758807).

The spelling of 10331122645506 in words is "ten trillion, three hundred thirty-one billion, one hundred twenty-two million, six hundred forty-five thousand, five hundred six".