101572208481441 has 4 divisors (see below), whose sum is σ = 135429611308592. Its totient is φ = 67714805654292.

The previous prime is 101572208481433. The next prime is 101572208481547. The reversal of 101572208481441 is 144184802275101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101572208481441 - 2³ = 101572208481433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101572208481641) 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, 16928701413571 + ... + 16928701413576.

It is an arithmetic number, because the mean of its divisors is an integer number (33857402827148).

Almost surely, 2^{101572208481441} is an apocalyptic number.

It is an amenable number.

101572208481441 is a deficient number, since it is larger than the sum of its proper divisors (33857402827151).

101572208481441 is an equidigital number, since it uses as much as digits as its factorization.

101572208481441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33857402827150.

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 101572208481441 in words is "one hundred one trillion, five hundred seventy-two billion, two hundred eight million, four hundred eighty-one thousand, four hundred forty-one".