1591000159941 has 12 divisors (see below), whose sum is σ = 2301131209260. Its totient is φ = 1059272988480.

The previous prime is 1591000159939. The next prime is 1591000159963. The reversal of 1591000159941 is 1499510001951.

It is a happy number.

1591000159941 is a `hidden beast` number, since 1 + 5 + 9 + 10 + 0 + 0 + 1 + 599 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 605058401025 + 985941758916 = 777855^2 + 992946^2 .

It is not a de Polignac number, because 1591000159941 - 2¹ = 1591000159939 is a prime.

It is a super-2 number, since 2×1591000159941² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591000159981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116141506 + ... + 116155203.

It is an arithmetic number, because the mean of its divisors is an integer number (191760934105).

Almost surely, 2^{1591000159941} is an apocalyptic number.

It is an amenable number.

1591000159941 is a deficient number, since it is larger than the sum of its proper divisors (710131049319).

1591000159941 is a wasteful number, since it uses less digits than its factorization.

1591000159941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232297476 (or 232297473 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 45.

The spelling of 1591000159941 in words is "one trillion, five hundred ninety-one billion, one hundred fifty-nine thousand, nine hundred forty-one".