11986235457790 has 32 divisors (see below), whose sum is σ = 24172732351584. Its totient is φ = 4240830234240.

The previous prime is 11986235457733. The next prime is 11986235457821. The reversal of 11986235457790 is 9775453268911.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472506429 + ... + 1472514568.

It is an arithmetic number, because the mean of its divisors is an integer number (755397885987).

It is a 1-persistent number, because it is pandigital, but 2⋅11986235457790 = 23972470915580 is not.

Almost surely, 2^{11986235457790} is an apocalyptic number.

11986235457790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11986235457790 is an abundant number, since it is smaller than the sum of its proper divisors (12186496893794).

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

11986235457790 is a wasteful number, since it uses less digits than its factorization.

11986235457790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945021052.

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 11986235457790 in words is "eleven trillion, nine hundred eighty-six billion, two hundred thirty-five million, four hundred fifty-seven thousand, seven hundred ninety".