102137745011277 has 4 divisors (see below), whose sum is σ = 136183660015040. Its totient is φ = 68091830007516.

The previous prime is 102137745011251. The next prime is 102137745011279. The reversal of 102137745011277 is 772110547731201.

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 not a de Polignac number, because 102137745011277 - 2¹¹ = 102137745009229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102137745011279) 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, 17022957501877 + ... + 17022957501882.

It is an arithmetic number, because the mean of its divisors is an integer number (34045915003760).

Almost surely, 2^{102137745011277} is an apocalyptic number.

It is an amenable number.

102137745011277 is a deficient number, since it is larger than the sum of its proper divisors (34045915003763).

102137745011277 is an equidigital number, since it uses as much as digits as its factorization.

102137745011277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34045915003762.

The product of its (nonzero) digits is 576240, while the sum is 48.

The spelling of 102137745011277 in words is "one hundred two trillion, one hundred thirty-seven billion, seven hundred forty-five million, eleven thousand, two hundred seventy-seven".