51440055034151 has 4 divisors (see below), whose sum is σ = 58788634324752. Its totient is φ = 44091475743552.

The previous prime is 51440055034111. The next prime is 51440055034169. The reversal of 51440055034151 is 15143055004415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51440055034151 - 2²² = 51440050839847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51440055034111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674289645290 + ... + 3674289645303.

It is an arithmetic number, because the mean of its divisors is an integer number (14697158581188).

Almost surely, 2^{51440055034151} is an apocalyptic number.

51440055034151 is a deficient number, since it is larger than the sum of its proper divisors (7348579290601).

51440055034151 is an equidigital number, since it uses as much as digits as its factorization.

51440055034151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348579290600.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 51440055034151 in words is "fifty-one trillion, four hundred forty billion, fifty-five million, thirty-four thousand, one hundred fifty-one".