118297691806129 has 16 divisors (see below), whose sum is σ = 129081864197376. Its totient is φ = 107518494384000.

The previous prime is 118297691806069. The next prime is 118297691806139. The reversal of 118297691806129 is 921608196792811.

It is a cyclic number.

It is not a de Polignac number, because 118297691806129 - 2¹¹ = 118297691804081 is a prime.

It is a super-2 number, since 2×118297691806129² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118297691806139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499278579 + ... + 1499357479.

It is an arithmetic number, because the mean of its divisors is an integer number (8067616512336).

Almost surely, 2^{118297691806129} is an apocalyptic number.

It is an amenable number.

118297691806129 is a deficient number, since it is larger than the sum of its proper divisors (10784172391247).

118297691806129 is a wasteful number, since it uses less digits than its factorization.

118297691806129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108696.

The product of its (nonzero) digits is 47029248, while the sum is 70.

The spelling of 118297691806129 in words is "one hundred eighteen trillion, two hundred ninety-seven billion, six hundred ninety-one million, eight hundred six thousand, one hundred twenty-nine".