56145263155 has 4 divisors (see below), whose sum is σ = 67374315792. Its totient is φ = 44916210520.

The previous prime is 56145263077. The next prime is 56145263159. The reversal of 56145263155 is 55136254165.

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 56145263155 - 2⁹ = 56145262643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56145263159) 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, 5614526311 + ... + 5614526320.

It is an arithmetic number, because the mean of its divisors is an integer number (16843578948).

Almost surely, 2^56145263155 is an apocalyptic number.

56145263155 is a deficient number, since it is larger than the sum of its proper divisors (11229052637).

56145263155 is a wasteful number, since it uses less digits than its factorization.

56145263155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229052636.

The product of its digits is 540000, while the sum is 43.

The spelling of 56145263155 in words is "fifty-six billion, one hundred forty-five million, two hundred sixty-three thousand, one hundred fifty-five".