101051506613 has 4 divisors (see below), whose sum is σ = 103516177548. Its totient is φ = 98586835680.

The previous prime is 101051506601. The next prime is 101051506639. The reversal of 101051506613 is 316605150101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8103960484 + 92947546129 = 90022^2 + 304873^2 .

It is a cyclic number.

It is not a de Polignac number, because 101051506613 - 2⁴ = 101051506597 is a prime.

It is a super-2 number, since 2×101051506613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101051506663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232335406 + ... + 1232335487.

It is an arithmetic number, because the mean of its divisors is an integer number (25879044387).

Almost surely, 2^101051506613 is an apocalyptic number.

It is an amenable number.

101051506613 is a deficient number, since it is larger than the sum of its proper divisors (2464670935).

101051506613 is an equidigital number, since it uses as much as digits as its factorization.

101051506613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464670934.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 101051506613 its reverse (316605150101), we get a palindrome (417656656714).

The spelling of 101051506613 in words is "one hundred one billion, fifty-one million, five hundred six thousand, six hundred thirteen".