109914793157 has 4 divisors (see below), whose sum is σ = 118369777260. Its totient is φ = 101459809056.

The previous prime is 109914793141. The next prime is 109914793181. The reversal of 109914793157 is 751397419901.

It is a Cunningham number, because it is equal to 331534²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751397419901 = 239 ⋅3143922259.

It can be written as a sum of positive squares in 2 ways, for example, as 16259820196 + 93654972961 = 127514^2 + 306031^2 .

It is a cyclic number.

It is not a de Polignac number, because 109914793157 - 2⁴ = 109914793141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109914793117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4227492032 + ... + 4227492057.

It is an arithmetic number, because the mean of its divisors is an integer number (29592444315).

Almost surely, 2^109914793157 is an apocalyptic number.

It is an amenable number.

109914793157 is a deficient number, since it is larger than the sum of its proper divisors (8454984103).

109914793157 is an equidigital number, since it uses as much as digits as its factorization.

109914793157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454984102.

The product of its (nonzero) digits is 2143260, while the sum is 56.

The spelling of 109914793157 in words is "one hundred nine billion, nine hundred fourteen million, seven hundred ninety-three thousand, one hundred fifty-seven".