101578845068354 has 4 divisors (see below), whose sum is σ = 152368267602534. Its totient is φ = 50789422534176.

The previous prime is 101578845068341. The next prime is 101578845068401. The reversal of 101578845068354 is 453860548875101.

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., 79020952333129 + 22557892735225 = 8889373^2 + 4749515^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25394711267087 + ... + 25394711267090.

Almost surely, 2^{101578845068354} is an apocalyptic number.

101578845068354 is a deficient number, since it is larger than the sum of its proper divisors (50789422534180).

101578845068354 is an equidigital number, since it uses as much as digits as its factorization.

101578845068354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50789422534179.

The product of its (nonzero) digits is 129024000, while the sum is 65.

The spelling of 101578845068354 in words is "one hundred one trillion, five hundred seventy-eight billion, eight hundred forty-five million, sixty-eight thousand, three hundred fifty-four".