101516144540647 has 4 divisors (see below), whose sum is σ = 103236757160040. Its totient is φ = 99795531921256.

The previous prime is 101516144540639. The next prime is 101516144540683. The reversal of 101516144540647 is 746045441615101.

It is a happy number.

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 101516144540647 - 2³ = 101516144540639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101516144540647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101516144540347) 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, 860306309608 + ... + 860306309725.

It is an arithmetic number, because the mean of its divisors is an integer number (25809189290010).

Almost surely, 2^{101516144540647} is an apocalyptic number.

101516144540647 is a deficient number, since it is larger than the sum of its proper divisors (1720612619393).

101516144540647 is an equidigital number, since it uses as much as digits as its factorization.

101516144540647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720612619392.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 101516144540647 in words is "one hundred one trillion, five hundred sixteen billion, one hundred forty-four million, five hundred forty thousand, six hundred forty-seven".