5151554165505 has 32 divisors (see below), whose sum is σ = 8995561868160. Its totient is φ = 2496679278080.

The previous prime is 5151554165503. The next prime is 5151554165509. The reversal of 5151554165505 is 5055614551515.

It is a happy number.

It is not a de Polignac number, because 5151554165505 - 2¹ = 5151554165503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5151554165503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6128670 + ... + 6918359.

It is an arithmetic number, because the mean of its divisors is an integer number (281111308380).

Almost surely, 2^{5151554165505} is an apocalyptic number.

5151554165505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5151554165505 is a deficient number, since it is larger than the sum of its proper divisors (3844007702655).

5151554165505 is a wasteful number, since it uses less digits than its factorization.

5151554165505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049441.

The product of its (nonzero) digits is 1875000, while the sum is 48.

The spelling of 5151554165505 in words is "five trillion, one hundred fifty-one billion, five hundred fifty-four million, one hundred sixty-five thousand, five hundred five".