5621538205151 has 6 divisors (see below), whose sum is σ = 6179046126456. Its totient is φ = 5110489277300.

The previous prime is 5621538205061. The next prime is 5621538205163. The reversal of 5621538205151 is 1515028351265.

It is a de Polignac number, because none of the positive numbers 2^k-5621538205151 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 (5621538201151) 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, 23229496595 + ... + 23229496836.

It is an arithmetic number, because the mean of its divisors is an integer number (1029841021076).

Almost surely, 2^{5621538205151} is an apocalyptic number.

5621538205151 is a deficient number, since it is larger than the sum of its proper divisors (557507921305).

5621538205151 is a wasteful number, since it uses less digits than its factorization.

5621538205151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46458993453 (or 46458993442 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 5621538205151 in words is "five trillion, six hundred twenty-one billion, five hundred thirty-eight million, two hundred five thousand, one hundred fifty-one".