1189049777148 has 24 divisors (see below), whose sum is σ = 2774472820560. Its totient is φ = 396346591360.

The previous prime is 1189049777093. The next prime is 1189049777213. The reversal of 1189049777148 is 8417779409811.

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, 1378318 + ... + 2068298.

It is an arithmetic number, because the mean of its divisors is an integer number (115603034190).

Almost surely, 2^{1189049777148} is an apocalyptic number.

It is an amenable number.

1189049777148 is an abundant number, since it is smaller than the sum of its proper divisors (1585423043412).

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

1189049777148 is a wasteful number, since it uses less digits than its factorization.

1189049777148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833597 (or 833595 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 66.

The spelling of 1189049777148 in words is "one trillion, one hundred eighty-nine billion, forty-nine million, seven hundred seventy-seven thousand, one hundred forty-eight".