101625223505 has 16 divisors (see below), whose sum is σ = 131338021584. Its totient is φ = 75042339840.

The previous prime is 101625223481. The next prime is 101625223523. The reversal of 101625223505 is 505322526101.

It can be written as a sum of positive squares in 8 ways, for example, as 16847001616 + 84778221889 = 129796^2 + 291167^2 .

It is not a de Polignac number, because 101625223505 - 2¹⁶ = 101625157969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859165 + ... + 1913045.

It is an arithmetic number, because the mean of its divisors is an integer number (8208626349).

Almost surely, 2^101625223505 is an apocalyptic number.

It is an amenable number.

101625223505 is a deficient number, since it is larger than the sum of its proper divisors (29712798079).

101625223505 is a wasteful number, since it uses less digits than its factorization.

101625223505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82916.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 101625223505 its reverse (505322526101), we get a palindrome (606947749606).

The spelling of 101625223505 in words is "one hundred one billion, six hundred twenty-five million, two hundred twenty-three thousand, five hundred five".