51033253155 has 8 divisors (see below), whose sum is σ = 81653205072. Its totient is φ = 27217735008.

The previous prime is 51033253151. The next prime is 51033253189. The reversal of 51033253155 is 55135233015.

It is a happy number.

51033253155 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 not a de Polignac number, because 51033253155 - 2² = 51033253151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51033253151) 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, 1701108424 + ... + 1701108453.

It is an arithmetic number, because the mean of its divisors is an integer number (10206650634).

Almost surely, 2^51033253155 is an apocalyptic number.

51033253155 is a deficient number, since it is larger than the sum of its proper divisors (30619951917).

51033253155 is a wasteful number, since it uses less digits than its factorization.

51033253155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402216885.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 51033253155 in words is "fifty-one billion, thirty-three million, two hundred fifty-three thousand, one hundred fifty-five".