101871852450477 has 4 divisors (see below), whose sum is σ = 135829136600640. Its totient is φ = 67914568300316.

The previous prime is 101871852450457. The next prime is 101871852450479. The reversal of 101871852450477 is 774054258178101.

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 a cyclic number.

It is not a de Polignac number, because 101871852450477 - 2²² = 101871848256173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101871852450477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101871852450479) 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, 16978642075077 + ... + 16978642075082.

It is an arithmetic number, because the mean of its divisors is an integer number (33957284150160).

Almost surely, 2^{101871852450477} is an apocalyptic number.

It is an amenable number.

101871852450477 is a deficient number, since it is larger than the sum of its proper divisors (33957284150163).

101871852450477 is an equidigital number, since it uses as much as digits as its factorization.

101871852450477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33957284150162.

The product of its (nonzero) digits is 17561600, while the sum is 60.

The spelling of 101871852450477 in words is "one hundred one trillion, eight hundred seventy-one billion, eight hundred fifty-two million, four hundred fifty thousand, four hundred seventy-seven".