55111152505327 has 4 divisors (see below), whose sum is σ = 57507289570800. Its totient is φ = 52715015439856.

The previous prime is 55111152505207. The next prime is 55111152505337. The reversal of 55111152505327 is 72350525111155.

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 55111152505327 - 2²⁷ = 55111018287599 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 (55111152505337) 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, 1198068532702 + ... + 1198068532747.

It is an arithmetic number, because the mean of its divisors is an integer number (14376822392700).

Almost surely, 2^{55111152505327} is an apocalyptic number.

55111152505327 is a deficient number, since it is larger than the sum of its proper divisors (2396137065473).

55111152505327 is a wasteful number, since it uses less digits than its factorization.

55111152505327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396137065472.

The product of its (nonzero) digits is 262500, while the sum is 43.

The spelling of 55111152505327 in words is "fifty-five trillion, one hundred eleven billion, one hundred fifty-two million, five hundred five thousand, three hundred twenty-seven".