1171788225108 has 96 divisors (see below), whose sum is σ = 3025361332224. Its totient is φ = 351430614528.

The previous prime is 1171788225107. The next prime is 1171788225131. The reversal of 1171788225108 is 8015228871711.

It is a super-2 number, since 2×1171788225108² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171788225107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008810 + ... + 1833377.

It is an arithmetic number, because the mean of its divisors is an integer number (31514180544).

Almost surely, 2^{1171788225108} is an apocalyptic number.

It is an amenable number.

1171788225108 is an abundant number, since it is smaller than the sum of its proper divisors (1853573107116).

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

1171788225108 is a wasteful number, since it uses less digits than its factorization.

1171788225108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842301 (or 2842299 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 51.

The spelling of 1171788225108 in words is "one trillion, one hundred seventy-one billion, seven hundred eighty-eight million, two hundred twenty-five thousand, one hundred eight".