51011541055 has 8 divisors (see below), whose sum is σ = 61660666512. Its totient is φ = 40511354688.

The previous prime is 51011541043. The next prime is 51011541059. The reversal of 51011541055 is 55014511015.

51011541055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51011541055 - 2⁵ = 51011541023 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 (51011541059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37234017 + ... + 37235386.

It is an arithmetic number, because the mean of its divisors is an integer number (7707583314).

Almost surely, 2^51011541055 is an apocalyptic number.

51011541055 is a deficient number, since it is larger than the sum of its proper divisors (10649125457).

51011541055 is a wasteful number, since it uses less digits than its factorization.

51011541055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74469545.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 51011541055 in words is "fifty-one billion, eleven million, five hundred forty-one thousand, fifty-five".