11236801457 has 16 divisors (see below), whose sum is σ = 14313133440. Its totient is φ = 8587876608.

The previous prime is 11236801421. The next prime is 11236801463. The reversal of 11236801457 is 75410863211.

It is a cyclic number.

It is not a de Polignac number, because 11236801457 - 2¹⁶ = 11236735921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11236801457.

It is not an unprimeable number, because it can be changed into a prime (11236801487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482658 + ... + 2487179.

It is an arithmetic number, because the mean of its divisors is an integer number (894570840).

Almost surely, 2^11236801457 is an apocalyptic number.

11236801457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11236801457 is a deficient number, since it is larger than the sum of its proper divisors (3076331983).

11236801457 is a wasteful number, since it uses less digits than its factorization.

11236801457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969880.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 11236801457 in words is "eleven billion, two hundred thirty-six million, eight hundred one thousand, four hundred fifty-seven".