45015111665 has 8 divisors (see below), whose sum is σ = 57195671400. Its totient is φ = 33893731072.

The previous prime is 45015111629. The next prime is 45015111667. The reversal of 45015111665 is 56611151054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 439657024 + 44575454641 = 20968^2 + 211129^2 .

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 45015111665 - 2¹⁸ = 45014849521 is a prime.

It is a super-3 number, since 3×45015111665³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45015111667) 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, 264794690 + ... + 264794859.

It is an arithmetic number, because the mean of its divisors is an integer number (7149458925).

Almost surely, 2^45015111665 is an apocalyptic number.

It is an amenable number.

45015111665 is a deficient number, since it is larger than the sum of its proper divisors (12180559735).

45015111665 is a wasteful number, since it uses less digits than its factorization.

45015111665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529589571.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 45015111665 in words is "forty-five billion, fifteen million, one hundred eleven thousand, six hundred sixty-five".