6201115603665 has 64 divisors (see below), whose sum is σ = 10319144878080. Its totient is φ = 3176430405120.

The previous prime is 6201115603663. The next prime is 6201115603699. The reversal of 6201115603665 is 5663065111026.

It is not a de Polignac number, because 6201115603665 - 2¹ = 6201115603663 is a prime.

It is a super-2 number, since 2×6201115603665² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6201115603663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329154316 + ... + 329173154.

It is an arithmetic number, because the mean of its divisors is an integer number (161236638720).

Almost surely, 2^{6201115603665} is an apocalyptic number.

It is an amenable number.

6201115603665 is a deficient number, since it is larger than the sum of its proper divisors (4118029274415).

6201115603665 is a wasteful number, since it uses less digits than its factorization.

6201115603665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24182.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 6201115603665 in words is "six trillion, two hundred one billion, one hundred fifteen million, six hundred three thousand, six hundred sixty-five".