50778201210155 has 8 divisors (see below), whose sum is σ = 61195360086432. Its totient is φ = 40448215211968.

The previous prime is 50778201210151. The next prime is 50778201210157. The reversal of 50778201210155 is 55101210287705.

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

It is a cyclic number.

It is not a de Polignac number, because 50778201210155 - 2² = 50778201210151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50778201210151) 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, 21793218239 + ... + 21793220568.

It is an arithmetic number, because the mean of its divisors is an integer number (7649420010804).

Almost surely, 2^{50778201210155} is an apocalyptic number.

50778201210155 is a deficient number, since it is larger than the sum of its proper divisors (10417158876277).

50778201210155 is a wasteful number, since it uses less digits than its factorization.

50778201210155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43586439045.

The product of its (nonzero) digits is 196000, while the sum is 44.

The spelling of 50778201210155 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred one million, two hundred ten thousand, one hundred fifty-five".