27636123519956 has 48 divisors (see below), whose sum is σ = 55362523155072. Its totient is φ = 11824712380800.

The previous prime is 27636123519923. The next prime is 27636123519967. The reversal of 27636123519956 is 65991532163672.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27636123519892 and 27636123519901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161693015 + ... + 161863841.

It is an arithmetic number, because the mean of its divisors is an integer number (1153385899064).

Almost surely, 2^{27636123519956} is an apocalyptic number.

It is an amenable number.

27636123519956 is an abundant number, since it is smaller than the sum of its proper divisors (27726399635116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27636123519956 is a wasteful number, since it uses less digits than its factorization.

27636123519956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180240 (or 180238 counting only the distinct ones).

The product of its digits is 110224800, while the sum is 65.

The spelling of 27636123519956 in words is "twenty-seven trillion, six hundred thirty-six billion, one hundred twenty-three million, five hundred nineteen thousand, nine hundred fifty-six".