51090365356 has 6 divisors (see below), whose sum is σ = 89408139380. Its totient is φ = 25545182676.

The previous prime is 51090365279. The next prime is 51090365369. The reversal of 51090365356 is 65356309015.

It is a super-2 number, since 2×51090365356² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386295666 + ... + 6386295673.

Almost surely, 2^51090365356 is an apocalyptic number.

It is an amenable number.

51090365356 is a deficient number, since it is larger than the sum of its proper divisors (38317774024).

51090365356 is a wasteful number, since it uses less digits than its factorization.

51090365356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12772591343 (or 12772591341 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 43.

The spelling of 51090365356 in words is "fifty-one billion, ninety million, three hundred sixty-five thousand, three hundred fifty-six".