1170111040 has 56 divisors (see below), whose sum is σ = 3184379712. Its totient is φ = 401180160.

The previous prime is 1170111031. The next prime is 1170111043. The reversal of 1170111040 is 401110711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1170111043) 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, 258946 + ... + 263425.

Almost surely, 2^1170111040 is an apocalyptic number.

1170111040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170111040 is an abundant number, since it is smaller than the sum of its proper divisors (2014268672).

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

1170111040 is an equidigital number, since it uses as much as digits as its factorization.

1170111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522395 (or 522385 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 1170111040 is about 34206.8858565056. The cubic root of 1170111040 is about 1053.7615770133.

Adding to 1170111040 its reverse (401110711), we get a palindrome (1571221751).

The spelling of 1170111040 in words is "one billion, one hundred seventy million, one hundred eleven thousand, forty".