101872073571 has 4 divisors (see below), whose sum is σ = 135829431432. Its totient is φ = 67914715712.

The previous prime is 101872073483. The next prime is 101872073579. The reversal of 101872073571 is 175370278101.

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

It is a cyclic number.

It is not a de Polignac number, because 101872073571 - 2¹⁷ = 101871942499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101872073579) 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, 16978678926 + ... + 16978678931.

It is an arithmetic number, because the mean of its divisors is an integer number (33957357858).

Almost surely, 2^101872073571 is an apocalyptic number.

101872073571 is a deficient number, since it is larger than the sum of its proper divisors (33957357861).

101872073571 is an equidigital number, since it uses as much as digits as its factorization.

101872073571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33957357860.

The product of its (nonzero) digits is 82320, while the sum is 42.

The spelling of 101872073571 in words is "one hundred one billion, eight hundred seventy-two million, seventy-three thousand, five hundred seventy-one".