51400422421255 has 8 divisors (see below), whose sum is σ = 62094470040000. Its totient is φ = 40844362514016.

The previous prime is 51400422421217. The next prime is 51400422421307. The reversal of 51400422421255 is 55212422400415.

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 51400422421255 - 2⁴⁵ = 16216050332423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34496927055 + ... + 34496928544.

It is an arithmetic number, because the mean of its divisors is an integer number (7761808755000).

Almost surely, 2^{51400422421255} is an apocalyptic number.

51400422421255 is a deficient number, since it is larger than the sum of its proper divisors (10694047618745).

51400422421255 is a wasteful number, since it uses less digits than its factorization.

51400422421255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68993855753.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 51400422421255 in words is "fifty-one trillion, four hundred billion, four hundred twenty-two million, four hundred twenty-one thousand, two hundred fifty-five".