11501053286465 has 8 divisors (see below), whose sum is σ = 14061665150568. Its totient is φ = 9027241824640.

The previous prime is 11501053286453. The next prime is 11501053286477. The reversal of 11501053286465 is 56468235010511.

It is an interprime number because it is at equal distance from previous prime (11501053286453) and next prime (11501053286477).

It can be written as a sum of positive squares in 4 ways, for example, as 3180130357264 + 8320922929201 = 1783292^2 + 2884601^2 .

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

It is not a de Polignac number, because 11501053286465 - 2²⁸ = 11500784851009 is a prime.

It is a Duffinian 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, 21700100276 + ... + 21700100805.

It is an arithmetic number, because the mean of its divisors is an integer number (1757708143821).

Almost surely, 2^{11501053286465} is an apocalyptic number.

It is an amenable number.

11501053286465 is a deficient number, since it is larger than the sum of its proper divisors (2560611864103).

11501053286465 is an equidigital number, since it uses as much as digits as its factorization.

11501053286465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43400201139.

The product of its (nonzero) digits is 864000, while the sum is 47.

Adding to 11501053286465 its reverse (56468235010511), we get a palindrome (67969288296976).

The spelling of 11501053286465 in words is "eleven trillion, five hundred one billion, fifty-three million, two hundred eighty-six thousand, four hundred sixty-five".