11661065937352 has 32 divisors (see below), whose sum is σ = 23600019643200. Its totient is φ = 5369770661184.

The previous prime is 11661065937341. The next prime is 11661065937359. The reversal of 11661065937352 is 25373956016611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11661065937293 and 11661065937302.

It is not an unprimeable number, because it can be changed into a prime (11661065937359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127660078 + ... + 127751389.

It is an arithmetic number, because the mean of its divisors is an integer number (737500613850).

Almost surely, 2^{11661065937352} is an apocalyptic number.

It is an amenable number.

11661065937352 is an abundant number, since it is smaller than the sum of its proper divisors (11938953705848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11661065937352 is a wasteful number, since it uses less digits than its factorization.

11661065937352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255411925 (or 255411921 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 11661065937352 in words is "eleven trillion, six hundred sixty-one billion, sixty-five million, nine hundred thirty-seven thousand, three hundred fifty-two".