56111855500802 has 4 divisors (see below), whose sum is σ = 84167783251206. Its totient is φ = 28055927750400.

The previous prime is 56111855500763. The next prime is 56111855500807. The reversal of 56111855500802 is 20800555811165.

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

It can be written as a sum of positive squares in only one way, i.e., 34271645931601 + 21840209569201 = 5854199^2 + 4673351^2 .

It is not an unprimeable number, because it can be changed into a prime (56111855500807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027963875199 + ... + 14027963875202.

Almost surely, 2^{56111855500802} is an apocalyptic number.

56111855500802 is a deficient number, since it is larger than the sum of its proper divisors (28055927750404).

56111855500802 is a wasteful number, since it uses less digits than its factorization.

56111855500802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055927750403.

The product of its (nonzero) digits is 480000, while the sum is 47.

The spelling of 56111855500802 in words is "fifty-six trillion, one hundred eleven billion, eight hundred fifty-five million, five hundred thousand, eight hundred two".