51011050051 has 16 divisors (see below), whose sum is σ = 58272921504. Its totient is φ = 44236168704.

The previous prime is 51011050049. The next prime is 51011050061. The reversal of 51011050051 is 15005011015.

It is a happy number.

It is not a de Polignac number, because 51011050051 - 2¹ = 51011050049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51011050031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90100 + ... + 331873.

It is an arithmetic number, because the mean of its divisors is an integer number (3642057594).

Almost surely, 2^51011050051 is an apocalyptic number.

51011050051 is a deficient number, since it is larger than the sum of its proper divisors (7261871453).

51011050051 is a wasteful number, since it uses less digits than its factorization.

51011050051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422550.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 51011050051 its reverse (15005011015), we get a palindrome (66016061066).

The spelling of 51011050051 in words is "fifty-one billion, eleven million, fifty thousand, fifty-one".