1111387869408 has 192 divisors, whose sum is σ = 3182553799488. Its totient is φ = 338171166720.

The previous prime is 1111387869377. The next prime is 1111387869421. The reversal of 1111387869408 is 8049687831111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19112698 + ... + 19170758.

It is an arithmetic number, because the mean of its divisors is an integer number (16575801039).

Almost surely, 2^{1111387869408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111387869408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591276899744).

1111387869408 is an abundant number, since it is smaller than the sum of its proper divisors (2071165930080).

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

1111387869408 is a wasteful number, since it uses less digits than its factorization.

1111387869408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58445 (or 58437 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 57.

The spelling of 1111387869408 in words is "one trillion, one hundred eleven billion, three hundred eighty-seven million, eight hundred sixty-nine thousand, four hundred eight".