1111864077928 has 8 divisors (see below), whose sum is σ = 2084745146130. Its totient is φ = 555932038960.

The previous prime is 1111864077901. The next prime is 1111864077937. The reversal of 1111864077928 is 8297704681111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1039996119204 + 71867958724 = 1019802^2 + 268082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69491504863 + ... + 69491504878.

Almost surely, 2^{1111864077928} is an apocalyptic number.

It is an amenable number.

1111864077928 is a deficient number, since it is larger than the sum of its proper divisors (972881068202).

1111864077928 is a wasteful number, since it uses less digits than its factorization.

1111864077928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138983009747 (or 138983009743 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 55.

The spelling of 1111864077928 in words is "one trillion, one hundred eleven billion, eight hundred sixty-four million, seventy-seven thousand, nine hundred twenty-eight".