11967896554 has 8 divisors (see below), whose sum is σ = 17953213860. Its totient is φ = 5983491936.

The previous prime is 11967896539. The next prime is 11967896621. The reversal of 11967896554 is 45569876911.

It can be written as a sum of positive squares in 2 ways, for example, as 11927916225 + 39980329 = 109215^2 + 6323^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11967896492 and 11967896501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194389 + ... + 248440.

Almost surely, 2^11967896554 is an apocalyptic number.

11967896554 is a deficient number, since it is larger than the sum of its proper divisors (5985317306).

11967896554 is a wasteful number, since it uses less digits than its factorization.

11967896554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456344.

The product of its digits is 16329600, while the sum is 61.

The spelling of 11967896554 in words is "eleven billion, nine hundred sixty-seven million, eight hundred ninety-six thousand, five hundred fifty-four".