11621172016277 has 4 divisors (see below), whose sum is σ = 11621266596576. Its totient is φ = 11621077435980.

The previous prime is 11621172016229. The next prime is 11621172016339. The reversal of 11621172016277 is 77261027112611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11621172016277 - 2³⁸ = 11346294109333 is a prime.

It is a super-3 number, since 3×11621172016277³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621172046277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47105603 + ... + 47351664.

It is an arithmetic number, because the mean of its divisors is an integer number (2905316649144).

Almost surely, 2^{11621172016277} is an apocalyptic number.

It is an amenable number.

11621172016277 is a deficient number, since it is larger than the sum of its proper divisors (94580299).

11621172016277 is an equidigital number, since it uses as much as digits as its factorization.

11621172016277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94580298.

The product of its (nonzero) digits is 98784, while the sum is 44.

Adding to 11621172016277 its reverse (77261027112611), we get a palindrome (88882199128888).

The spelling of 11621172016277 in words is "eleven trillion, six hundred twenty-one billion, one hundred seventy-two million, sixteen thousand, two hundred seventy-seven".