109958621375 has 16 divisors (see below), whose sum is σ = 143194813632. Its totient is φ = 84142247200.

The previous prime is 109958621341. The next prime is 109958621387. The reversal of 109958621375 is 573126859901.

It is a happy number.

It is not a de Polignac number, because 109958621375 - 2¹⁰ = 109958620351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109958621375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19120364 + ... + 19126113.

It is an arithmetic number, because the mean of its divisors is an integer number (8949675852).

Almost surely, 2^109958621375 is an apocalyptic number.

109958621375 is a deficient number, since it is larger than the sum of its proper divisors (33236192257).

109958621375 is an equidigital number, since it uses as much as digits as its factorization.

109958621375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38246515 (or 38246505 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 109958621375 in words is "one hundred nine billion, nine hundred fifty-eight million, six hundred twenty-one thousand, three hundred seventy-five".