11850557408 has 12 divisors (see below), whose sum is σ = 23330784960. Its totient is φ = 5925278688.

The previous prime is 11850557401. The next prime is 11850557429. The reversal of 11850557408 is 80475505811.

It is a super-3 number, since 3×11850557408³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11850557401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185164928 + ... + 185164991.

It is an arithmetic number, because the mean of its divisors is an integer number (1944232080).

Almost surely, 2^11850557408 is an apocalyptic number.

It is an amenable number.

11850557408 is a deficient number, since it is larger than the sum of its proper divisors (11480227552).

11850557408 is an equidigital number, since it uses as much as digits as its factorization.

11850557408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370329929 (or 370329921 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 44.

The spelling of 11850557408 in words is "eleven billion, eight hundred fifty million, five hundred fifty-seven thousand, four hundred eight".