116121611566320 has 160 divisors (see below), whose sum is σ = 367182690803712. Its totient is φ = 30351793683456.

The previous prime is 116121611566231. The next prime is 116121611566333. The reversal of 116121611566320 is 23665116121611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20420547 + ... + 25480226.

Almost surely, 2^{116121611566320} is an apocalyptic number.

116121611566320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116121611566320 is an abundant number, since it is smaller than the sum of its proper divisors (251061079237392).

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

116121611566320 is a wasteful number, since it uses less digits than its factorization.

116121611566320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45900999 (or 45900993 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

Adding to 116121611566320 its reverse (23665116121611), we get a palindrome (139786727687931).

The spelling of 116121611566320 in words is "one hundred sixteen trillion, one hundred twenty-one billion, six hundred eleven million, five hundred sixty-six thousand, three hundred twenty".