105801370898 has 4 divisors (see below), whose sum is σ = 158702056350. Its totient is φ = 52900685448.

The previous prime is 105801370891. The next prime is 105801370949. The reversal of 105801370898 is 898073108501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86520104449 + 19281266449 = 294143^2 + 138857^2 .

It is a super-2 number, since 2×105801370898² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105801370891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26450342723 + ... + 26450342726.

Almost surely, 2^105801370898 is an apocalyptic number.

105801370898 is a deficient number, since it is larger than the sum of its proper divisors (52900685452).

105801370898 is an equidigital number, since it uses as much as digits as its factorization.

105801370898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900685451.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 105801370898 in words is "one hundred five billion, eight hundred one million, three hundred seventy thousand, eight hundred ninety-eight".