101561830626 has 16 divisors (see below), whose sum is σ = 204987182400. Its totient is φ = 33543356688.

The previous prime is 101561830621. The next prime is 101561830679. The reversal of 101561830626 is 626038165101.

It is not an unprimeable number, because it can be changed into a prime (101561830621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77646006 + ... + 77647313.

It is an arithmetic number, because the mean of its divisors is an integer number (12811698900).

Almost surely, 2^101561830626 is an apocalyptic number.

101561830626 is an abundant number, since it is smaller than the sum of its proper divisors (103425351774).

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

101561830626 is a wasteful number, since it uses less digits than its factorization.

101561830626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155293433.

The product of its (nonzero) digits is 51840, while the sum is 39.

Adding to 101561830626 its reverse (626038165101), we get a palindrome (727599995727).

The spelling of 101561830626 in words is "one hundred one billion, five hundred sixty-one million, eight hundred thirty thousand, six hundred twenty-six".