10155016565 has 8 divisors (see below), whose sum is σ = 12606227640. Its totient is φ = 7843874752.

The previous prime is 10155016561. The next prime is 10155016577. The reversal of 10155016565 is 56561055101.

It can be written as a sum of positive squares in 4 ways, for example, as 1434818641 + 8720197924 = 37879^2 + 93382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10155016565 - 2² = 10155016561 is a prime.

It is a super-2 number, since 2×10155016565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155016561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35017154 + ... + 35017443.

It is an arithmetic number, because the mean of its divisors is an integer number (1575778455).

Almost surely, 2^10155016565 is an apocalyptic number.

It is an amenable number.

10155016565 is a deficient number, since it is larger than the sum of its proper divisors (2451211075).

10155016565 is an equidigital number, since it uses as much as digits as its factorization.

10155016565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70034631.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 10155016565 in words is "ten billion, one hundred fifty-five million, sixteen thousand, five hundred sixty-five".