101944590520898 has 4 divisors (see below), whose sum is σ = 152916885781350. Its totient is φ = 50972295260448.

The previous prime is 101944590520859. The next prime is 101944590520939. The reversal of 101944590520898 is 898025095449101.

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., 97883063726569 + 4061526794329 = 9893587^2 + 2015323^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25486147630223 + ... + 25486147630226.

Almost surely, 2^{101944590520898} is an apocalyptic number.

101944590520898 is a deficient number, since it is larger than the sum of its proper divisors (50972295260452).

101944590520898 is an equidigital number, since it uses as much as digits as its factorization.

101944590520898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50972295260451.

The product of its (nonzero) digits is 37324800, while the sum is 65.

The spelling of 101944590520898 in words is "one hundred one trillion, nine hundred forty-four billion, five hundred ninety million, five hundred twenty thousand, eight hundred ninety-eight".