101538747228779 has 8 divisors (see below), whose sum is σ = 116084900099808. Its totient is φ = 87002748745920.

The previous prime is 101538747228739. The next prime is 101538747228811. The reversal of 101538747228779 is 977822747835101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101538747228779 - 2³⁶ = 101470027752043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101538747228739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538575612 + ... + 2538615609.

It is an arithmetic number, because the mean of its divisors is an integer number (14510612512476).

Almost surely, 2^{101538747228779} is an apocalyptic number.

101538747228779 is a deficient number, since it is larger than the sum of its proper divisors (14546152871029).

101538747228779 is an equidigital number, since it uses as much as digits as its factorization.

101538747228779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077194085.

The product of its (nonzero) digits is 331914240, while the sum is 71.

The spelling of 101538747228779 in words is "one hundred one trillion, five hundred thirty-eight billion, seven hundred forty-seven million, two hundred twenty-eight thousand, seven hundred seventy-nine".