51040699758 has 24 divisors (see below), whose sum is σ = 110987428968. Its totient is φ = 16952144112.

The previous prime is 51040699747. The next prime is 51040699769. The reversal of 51040699758 is 85799604015.

51040699758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51040699747) and next prime (51040699769).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5113416 + ... + 5123387.

It is an arithmetic number, because the mean of its divisors is an integer number (4624476207).

Almost surely, 2^51040699758 is an apocalyptic number.

51040699758 is an abundant number, since it is smaller than the sum of its proper divisors (59946729210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51040699758 is a wasteful number, since it uses less digits than its factorization.

51040699758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237088 (or 10237085 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 51040699758 in words is "fifty-one billion, forty million, six hundred ninety-nine thousand, seven hundred fifty-eight".