101876255491 has 4 divisors (see below), whose sum is σ = 101876901984. Its totient is φ = 101875609000.

The previous prime is 101876255473. The next prime is 101876255531. The reversal of 101876255491 is 194552678101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101876255491 - 2¹³ = 101876247299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101876255431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84966 + ... + 459316.

It is an arithmetic number, because the mean of its divisors is an integer number (25469225496).

Almost surely, 2^101876255491 is an apocalyptic number.

101876255491 is a deficient number, since it is larger than the sum of its proper divisors (646493).

101876255491 is an equidigital number, since it uses as much as digits as its factorization.

101876255491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646492.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 101876255491 in words is "one hundred one billion, eight hundred seventy-six million, two hundred fifty-five thousand, four hundred ninety-one".