1181149426352 has 40 divisors (see below), whose sum is σ = 2631063434496. Its totient is φ = 503175710016.

The previous prime is 1181149426343. The next prime is 1181149426367. The reversal of 1181149426352 is 2536249411811.

It is a super-4 number, since 4×1181149426352⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1181149426297 and 1181149426306.

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, 31556078 + ... + 31593485.

Almost surely, 2^{1181149426352} is an apocalyptic number.

It is an amenable number.

1181149426352 is an abundant number, since it is smaller than the sum of its proper divisors (1449914008144).

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

1181149426352 is a wasteful number, since it uses less digits than its factorization.

1181149426352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63149745 (or 63149739 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The spelling of 1181149426352 in words is "one trillion, one hundred eighty-one billion, one hundred forty-nine million, four hundred twenty-six thousand, three hundred fifty-two".