51611625311307 has 8 divisors (see below), whose sum is σ = 69253815704976. Its totient is φ = 34188592562592.

The previous prime is 51611625311303. The next prime is 51611625311327. The reversal of 51611625311307 is 70311352611615.

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

It is not a de Polignac number, because 51611625311307 - 2² = 51611625311303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51611625311303) 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, 54789410688 + ... + 54789411629.

It is an arithmetic number, because the mean of its divisors is an integer number (8656726963122).

Almost surely, 2^{51611625311307} is an apocalyptic number.

51611625311307 is a deficient number, since it is larger than the sum of its proper divisors (17642190393669).

51611625311307 is a wasteful number, since it uses less digits than its factorization.

51611625311307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109578822477.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 51611625311307 in words is "fifty-one trillion, six hundred eleven billion, six hundred twenty-five million, three hundred eleven thousand, three hundred seven".