1118571611004 has 36 divisors (see below), whose sum is σ = 2827538106120. Its totient is φ = 372852239520.

The previous prime is 1118571610993. The next prime is 1118571611057. The reversal of 1118571611004 is 4001161758111.

1118571611004 is a `hidden beast` number, since 1 + 1 + 18 + 571 + 61 + 10 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1118571611004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3392827 + ... + 3707885.

It is an arithmetic number, because the mean of its divisors is an integer number (78542725170).

Almost surely, 2^{1118571611004} is an apocalyptic number.

It is an amenable number.

1118571611004 is an abundant number, since it is smaller than the sum of its proper divisors (1708966495116).

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

1118571611004 is a wasteful number, since it uses less digits than its factorization.

1118571611004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413690 (or 413685 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 36.

The spelling of 1118571611004 in words is "one trillion, one hundred eighteen billion, five hundred seventy-one million, six hundred eleven thousand, four".