56511061550045 has 8 divisors (see below), whose sum is σ = 67833705719040. Its totient is φ = 45195228000720.

The previous prime is 56511061549961. The next prime is 56511061550051. The reversal of 56511061550045 is 54005516011565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56511061550045 - 2²² = 56511057355741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56511061549978 and 56511061550005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702636661 + ... + 1702669850.

It is an arithmetic number, because the mean of its divisors is an integer number (8479213214880).

Almost surely, 2^{56511061550045} is an apocalyptic number.

It is an amenable number.

56511061550045 is a deficient number, since it is larger than the sum of its proper divisors (11322644168995).

56511061550045 is a wasteful number, since it uses less digits than its factorization.

56511061550045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405309835.

The product of its (nonzero) digits is 450000, while the sum is 44.

The spelling of 56511061550045 in words is "fifty-six trillion, five hundred eleven billion, sixty-one million, five hundred fifty thousand, forty-five".