11399935151641 has 3 divisors (see below), whose sum is σ = 11399938528021. Its totient is φ = 11399931775262.

The previous prime is 11399935151609. The next prime is 11399935151663. The reversal of 11399935151641 is 14615153999311.

It is a happy number.

The square root of 11399935151641 is 3376379.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11399935151641 - 2⁵ = 11399935151609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11399935151141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1688190 + ... + 5064568.

Almost surely, 2^{11399935151641} is an apocalyptic number.

11399935151641 is the 3376379-th square number.

11399935151641 is the 1688190-th centered octagonal number.

It is an amenable number.

11399935151641 is a deficient number, since it is larger than the sum of its proper divisors (3376380).

11399935151641 is an frugal number, since it uses more digits than its factorization.

11399935151641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752758 (or 3376379 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 58.

The spelling of 11399935151641 in words is "eleven trillion, three hundred ninety-nine billion, nine hundred thirty-five million, one hundred fifty-one thousand, six hundred forty-one".