11655620701072 has 40 divisors (see below), whose sum is σ = 22830987868344. Its totient is φ = 5764101955584.

The previous prime is 11655620701063. The next prime is 11655620701099. The reversal of 11655620701072 is 27010702655611.

It can be written as a sum of positive squares in 4 ways, for example, as 4536201386896 + 7119419314176 = 2129836^2 + 2668224^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10374703 + ... + 11443150.

Almost surely, 2^{11655620701072} is an apocalyptic number.

It is an amenable number.

11655620701072 is a deficient number, since it is larger than the sum of its proper divisors (11175367167272).

11655620701072 is a wasteful number, since it uses less digits than its factorization.

11655620701072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21818227 (or 21818221 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 11655620701072 in words is "eleven trillion, six hundred fifty-five billion, six hundred twenty million, seven hundred one thousand, seventy-two".