51454400420151 has 6 divisors (see below), whose sum is σ = 74323022829120. Its totient is φ = 34302933613428.

The previous prime is 51454400420147. The next prime is 51454400420191. The reversal of 51454400420151 is 15102400445415.

51454400420151 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 440 + 0 + 4 + 201 + 5 + 1 = 666.

It is not a de Polignac number, because 51454400420151 - 2² = 51454400420147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51454400420131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2858577801111 + ... + 2858577801128.

It is an arithmetic number, because the mean of its divisors is an integer number (12387170471520).

Almost surely, 2^{51454400420151} is an apocalyptic number.

51454400420151 is a deficient number, since it is larger than the sum of its proper divisors (22868622408969).

51454400420151 is a wasteful number, since it uses less digits than its factorization.

51454400420151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717155602245 (or 5717155602242 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 51454400420151 its reverse (15102400445415), we get a palindrome (66556800865566).

The spelling of 51454400420151 in words is "fifty-one trillion, four hundred fifty-four billion, four hundred million, four hundred twenty thousand, one hundred fifty-one".