201311130512245 has 8 divisors (see below), whose sum is σ = 260155922508216. Its totient is φ = 148660527147456.

The previous prime is 201311130512227. The next prime is 201311130512267. The reversal of 201311130512245 is 542215031113102.

It can be written as a sum of positive squares in 4 ways, for example, as 5502547754001 + 195808582758244 = 2345751^2 + 13993162^2 .

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 201311130512245 - 2²³ = 201311122123637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548547157722 + ... + 1548547157851.

It is an arithmetic number, because the mean of its divisors is an integer number (32519490313527).

Almost surely, 2^{201311130512245} is an apocalyptic number.

It is an amenable number.

201311130512245 is a deficient number, since it is larger than the sum of its proper divisors (58844791995971).

201311130512245 is a wasteful number, since it uses less digits than its factorization.

201311130512245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097094315591.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 201311130512245 its reverse (542215031113102), we get a palindrome (743526161625347).

The spelling of 201311130512245 in words is "two hundred one trillion, three hundred eleven billion, one hundred thirty million, five hundred twelve thousand, two hundred forty-five".