11197574571456 has 672 divisors, whose sum is σ = 41217784211968. Its totient is φ = 2935028183040.

The previous prime is 11197574571427. The next prime is 11197574571473. The reversal of 11197574571456 is 65417547579111.

11197574571456 is a `hidden beast` number, since 1 + 1 + 1 + 9 + 7 + 5 + 7 + 4 + 571 + 4 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 11197574571393 and 11197574571402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 230658546 + ... + 230707086.

Almost surely, 2^{11197574571456} is an apocalyptic number.

11197574571456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11197574571456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20608892105984).

11197574571456 is an abundant number, since it is smaller than the sum of its proper divisors (30020209640512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11197574571456 is a wasteful number, since it uses less digits than its factorization.

11197574571456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48751 (or 48729 counting only the distinct ones).

The product of its digits is 37044000, while the sum is 63.

The spelling of 11197574571456 in words is "eleven trillion, one hundred ninety-seven billion, five hundred seventy-four million, five hundred seventy-one thousand, four hundred fifty-six".