51155101555598 has 8 divisors (see below), whose sum is σ = 76840878925560. Its totient is φ = 25541475247080.

The previous prime is 51155101555573. The next prime is 51155101555601. The reversal of 51155101555598 is 89555510155115.

51155101555598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18037763588 + ... + 18037766423.

It is an arithmetic number, because the mean of its divisors is an integer number (9605109865695).

Almost surely, 2^{51155101555598} is an apocalyptic number.

51155101555598 is a deficient number, since it is larger than the sum of its proper divisors (25685777369962).

51155101555598 is a wasteful number, since it uses less digits than its factorization.

51155101555598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36075530722.

The product of its (nonzero) digits is 5625000, while the sum is 56.

The spelling of 51155101555598 in words is "fifty-one trillion, one hundred fifty-five billion, one hundred one million, five hundred fifty-five thousand, five hundred ninety-eight".