11650467081781 has 16 divisors (see below), whose sum is σ = 12925238791680. Its totient is φ = 10411641245680.

The previous prime is 11650467081779. The next prime is 11650467081797. The reversal of 11650467081781 is 18718076405611.

It is a cyclic number.

It is not a de Polignac number, because 11650467081781 - 2¹ = 11650467081779 is a prime.

It is a super-2 number, since 2×11650467081781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11650467081581) 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, 50732640 + ... + 50961766.

It is an arithmetic number, because the mean of its divisors is an integer number (807827424480).

Almost surely, 2^{11650467081781} is an apocalyptic number.

11650467081781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11650467081781 is a deficient number, since it is larger than the sum of its proper divisors (1274771709899).

11650467081781 is a wasteful number, since it uses less digits than its factorization.

11650467081781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307544.

The product of its (nonzero) digits is 2257920, while the sum is 55.

The spelling of 11650467081781 in words is "eleven trillion, six hundred fifty billion, four hundred sixty-seven million, eighty-one thousand, seven hundred eighty-one".