101161615705 has 4 divisors (see below), whose sum is σ = 121393938852. Its totient is φ = 80929292560.

The previous prime is 101161615693. The next prime is 101161615717. The reversal of 101161615705 is 507516161101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507516161101 = 2281 ⋅222497221.

It is an interprime number because it is at equal distance from previous prime (101161615693) and next prime (101161615717).

It can be written as a sum of positive squares in 2 ways, for example, as 36850177296 + 64311438409 = 191964^2 + 253597^2 .

It is not a de Polignac number, because 101161615705 - 2⁹ = 101161615193 is a prime.

It is a super-2 number, since 2×101161615705² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10116161566 + ... + 10116161575.

It is an arithmetic number, because the mean of its divisors is an integer number (30348484713).

Almost surely, 2^101161615705 is an apocalyptic number.

It is an amenable number.

101161615705 is a deficient number, since it is larger than the sum of its proper divisors (20232323147).

101161615705 is an equidigital number, since it uses as much as digits as its factorization.

101161615705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20232323146.

The product of its (nonzero) digits is 6300, while the sum is 34.

Adding to 101161615705 its reverse (507516161101), we get a palindrome (608677776806).

The spelling of 101161615705 in words is "one hundred one billion, one hundred sixty-one million, six hundred fifteen thousand, seven hundred five".