106520692057 has 12 divisors (see below), whose sum is σ = 115793751420. Its totient is φ = 97944158208.

The previous prime is 106520692049. The next prime is 106520692063. The reversal of 106520692057 is 750296025601.

It can be written as a sum of positive squares in 6 ways, for example, as 846286281 + 105674405776 = 29091^2 + 325076^2 .

It is not a de Polignac number, because 106520692057 - 2³ = 106520692049 is a prime.

It is a super-2 number, since 2×106520692057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106520699057) 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, 1182832 + ... + 1269697.

It is an arithmetic number, because the mean of its divisors is an integer number (9649479285).

Almost surely, 2^106520692057 is an apocalyptic number.

It is an amenable number.

106520692057 is a deficient number, since it is larger than the sum of its proper divisors (9273059363).

106520692057 is a wasteful number, since it uses less digits than its factorization.

106520692057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452812 (or 2452799 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 106520692057 in words is "one hundred six billion, five hundred twenty million, six hundred ninety-two thousand, fifty-seven".