11156377444261 has 8 divisors (see below), whose sum is σ = 12940446332480. Its totient is φ = 9419883726528.

The previous prime is 11156377444169. The next prime is 11156377444321. The reversal of 11156377444261 is 16244477365111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11156377444261 - 2⁷ = 11156377444133 is a prime.

It is a super-2 number, since 2×11156377444261² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11156377444199 and 11156377444208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156377445261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11893792116 + ... + 11893793053.

It is an arithmetic number, because the mean of its divisors is an integer number (1617555791560).

Almost surely, 2^{11156377444261} is an apocalyptic number.

It is an amenable number.

11156377444261 is a deficient number, since it is larger than the sum of its proper divisors (1784068888219).

11156377444261 is an equidigital number, since it uses as much as digits as its factorization.

11156377444261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23787585243.

The product of its digits is 3386880, while the sum is 52.

The spelling of 11156377444261 in words is "eleven trillion, one hundred fifty-six billion, three hundred seventy-seven million, four hundred forty-four thousand, two hundred sixty-one".