5191043364951 has 16 divisors (see below), whose sum is σ = 7114995462144. Its totient is φ = 3364065519264.

The previous prime is 5191043364931. The next prime is 5191043364959. The reversal of 5191043364951 is 1594633401915.

It is a happy number.

It is not a de Polignac number, because 5191043364951 - 2⁶ = 5191043364887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5191043364894 and 5191043364903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191043364959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21390915 + ... + 21632228.

It is an arithmetic number, because the mean of its divisors is an integer number (444687216384).

Almost surely, 2^{5191043364951} is an apocalyptic number.

5191043364951 is a deficient number, since it is larger than the sum of its proper divisors (1923952097193).

5191043364951 is a wasteful number, since it uses less digits than its factorization.

5191043364951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43024270.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 5191043364951 in words is "five trillion, one hundred ninety-one billion, forty-three million, three hundred sixty-four thousand, nine hundred fifty-one".