11927405951967 has 16 divisors (see below), whose sum is σ = 17371872185472. Its totient is φ = 7219181682720.

The previous prime is 11927405951947. The next prime is 11927405951969. The reversal of 11927405951967 is 76915950472911.

It is not a de Polignac number, because 11927405951967 - 2¹¹ = 11927405949919 is a prime.

It is a super-2 number, since 2×11927405951967² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11927405951898 and 11927405951907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11927405951969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238704573 + ... + 238754534.

It is an arithmetic number, because the mean of its divisors is an integer number (1085742011592).

Almost surely, 2^{11927405951967} is an apocalyptic number.

11927405951967 is a deficient number, since it is larger than the sum of its proper divisors (5444466233505).

11927405951967 is a wasteful number, since it uses less digits than its factorization.

11927405951967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477459878.

The product of its (nonzero) digits is 42865200, while the sum is 66.

The spelling of 11927405951967 in words is "eleven trillion, nine hundred twenty-seven billion, four hundred five million, nine hundred fifty-one thousand, nine hundred sixty-seven".