1181937470448 has 40 divisors (see below), whose sum is σ = 3489529675648. Its totient is φ = 337696420032.

The previous prime is 1181937470447. The next prime is 1181937470459. The reversal of 1181937470448 is 8440747391811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181937470443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758835186 + ... + 1758835857.

Almost surely, 2^{1181937470448} is an apocalyptic number.

It is an amenable number.

1181937470448 is an abundant number, since it is smaller than the sum of its proper divisors (2307592205200).

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

1181937470448 is a wasteful number, since it uses less digits than its factorization.

1181937470448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517671061 (or 3517671055 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 1181937470448 in words is "one trillion, one hundred eighty-one billion, nine hundred thirty-seven million, four hundred seventy thousand, four hundred forty-eight".