201072015707 has 4 divisors (see below), whose sum is σ = 208005533520. Its totient is φ = 194138497896.

The previous prime is 201072015689. The next prime is 201072015721. The reversal of 201072015707 is 707510270102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707510270102 = 2 ⋅353755135051.

It is a cyclic number.

It is not a de Polignac number, because 201072015707 - 2²² = 201067821403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201072015757) 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, 3466758863 + ... + 3466758920.

It is an arithmetic number, because the mean of its divisors is an integer number (52001383380).

Almost surely, 2^201072015707 is an apocalyptic number.

201072015707 is a deficient number, since it is larger than the sum of its proper divisors (6933517813).

201072015707 is an equidigital number, since it uses as much as digits as its factorization.

201072015707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933517812.

The product of its (nonzero) digits is 6860, while the sum is 32.

Adding to 201072015707 its reverse (707510270102), we get a palindrome (908582285809).

The spelling of 201072015707 in words is "two hundred one billion, seventy-two million, fifteen thousand, seven hundred seven".