107640513121 has 12 divisors (see below), whose sum is σ = 111711752868. Its totient is φ = 103696879104.

The previous prime is 107640513119. The next prime is 107640513151. The reversal of 107640513121 is 121315046701.

It can be written as a sum of positive squares in 2 ways, for example, as 76209123600 + 31431389521 = 276060^2 + 177289^2 .

It is not a de Polignac number, because 107640513121 - 2¹ = 107640513119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107640513151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263760 + ... + 533713.

It is an arithmetic number, because the mean of its divisors is an integer number (9309312739).

Almost surely, 2^107640513121 is an apocalyptic number.

It is an amenable number.

107640513121 is a deficient number, since it is larger than the sum of its proper divisors (4071239747).

107640513121 is an frugal number, since it uses more digits than its factorization.

107640513121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797632 (or 797589 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 107640513121 its reverse (121315046701), we get a palindrome (228955559822).

The spelling of 107640513121 in words is "one hundred seven billion, six hundred forty million, five hundred thirteen thousand, one hundred twenty-one".