11061557595664 has 45 divisors (see below), whose sum is σ = 22404717327279. Its totient is φ = 5290163815200.

The previous prime is 11061557595661. The next prime is 11061557595667. The reversal of 11061557595664 is 46659575516011.

The square root of 11061557595664 is 3325892.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (11061557595661) and next prime (11061557595667).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11061557595661) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 305963989 + ... + 306000139.

Almost surely, 2^{11061557595664} is an apocalyptic number.

11061557595664 is the 3325892-nd square number.

It is an amenable number.

11061557595664 is an abundant number, since it is smaller than the sum of its proper divisors (11343159731615).

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

11061557595664 is an frugal number, since it uses more digits than its factorization.

11061557595664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72356 (or 36176 counting only the distinct ones).

The product of its (nonzero) digits is 34020000, while the sum is 61.

The spelling of 11061557595664 in words is "eleven trillion, sixty-one billion, five hundred fifty-seven million, five hundred ninety-five thousand, six hundred sixty-four".