102712363155687 has 4 divisors (see below), whose sum is σ = 136949817540920. Its totient is φ = 68474908770456.

The previous prime is 102712363155613. The next prime is 102712363155707. The reversal of 102712363155687 is 786551363217201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102712363155687 - 2²⁰ = 102712362107111 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 (102712363151687) 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, 17118727192612 + ... + 17118727192617.

It is an arithmetic number, because the mean of its divisors is an integer number (34237454385230).

Almost surely, 2^{102712363155687} is an apocalyptic number.

102712363155687 is a deficient number, since it is larger than the sum of its proper divisors (34237454385233).

102712363155687 is an equidigital number, since it uses as much as digits as its factorization.

102712363155687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34237454385232.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 102712363155687 in words is "one hundred two trillion, seven hundred twelve billion, three hundred sixty-three million, one hundred fifty-five thousand, six hundred eighty-seven".