5151490736881 has 8 divisors (see below), whose sum is σ = 5221693024128. Its totient is φ = 5081664870000.

The previous prime is 5151490736827. The next prime is 5151490736941. The reversal of 5151490736881 is 1886370941515.

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 5151490736881 - 2⁴¹ = 2952467481329 is a prime.

It is a super-2 number, since 2×5151490736881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151490736281) 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, 94077535 + ... + 94132276.

It is an arithmetic number, because the mean of its divisors is an integer number (652711628016).

Almost surely, 2^{5151490736881} is an apocalyptic number.

It is an amenable number.

5151490736881 is a deficient number, since it is larger than the sum of its proper divisors (70202287247).

5151490736881 is a wasteful number, since it uses less digits than its factorization.

5151490736881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188210183.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 5151490736881 in words is "five trillion, one hundred fifty-one billion, four hundred ninety million, seven hundred thirty-six thousand, eight hundred eighty-one".