11970573855 has 8 divisors (see below), whose sum is σ = 19152918192. Its totient is φ = 6384306048.

The previous prime is 11970573847. The next prime is 11970573887. The reversal of 11970573855 is 55837507911.

It is a happy number.

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

It is not a de Polignac number, because 11970573855 - 2³ = 11970573847 is a prime.

It is a super-2 number, since 2×11970573855² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11970573798 and 11970573807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399019114 + ... + 399019143.

It is an arithmetic number, because the mean of its divisors is an integer number (2394114774).

Almost surely, 2^11970573855 is an apocalyptic number.

11970573855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11970573855 is a deficient number, since it is larger than the sum of its proper divisors (7182344337).

11970573855 is an equidigital number, since it uses as much as digits as its factorization.

11970573855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798038265.

The product of its (nonzero) digits is 1323000, while the sum is 51.

The spelling of 11970573855 in words is "eleven billion, nine hundred seventy million, five hundred seventy-three thousand, eight hundred fifty-five".