51011127 has 10 divisors (see below), whose sum is σ = 76201928. Its totient is φ = 34007364.

The previous prime is 51011117. The next prime is 51011131. The reversal of 51011127 is 72111015.

It is a happy number.

It is not a de Polignac number, because 51011127 - 2⁸ = 51010871 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 (51011117) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 314803 + ... + 314964.

Almost surely, 2^51011127 is an apocalyptic number.

51011127 is a deficient number, since it is larger than the sum of its proper divisors (25190801).

51011127 is an equidigital number, since it uses as much as digits as its factorization.

51011127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629779 (or 629770 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 51011127 is about 7142.2074318799. The cubic root of 51011127 is about 370.8699447028.

The spelling of 51011127 in words is "fifty-one million, eleven thousand, one hundred twenty-seven".