1831151836801 has 24 divisors (see below), whose sum is σ = 2159495618280. Its totient is φ = 1547914136832.

The previous prime is 1831151836687. The next prime is 1831151836879. The reversal of 1831151836801 is 1086381511381.

It can be written as a sum of positive squares in 4 ways, for example, as 245667931201 + 1585483905600 = 495649^2 + 1259160^2 .

It is not a de Polignac number, because 1831151836801 - 2¹⁵ = 1831151804033 is a prime.

It is a super-2 number, since 2×1831151836801² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1831151836601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58922695 + ... + 58953763.

It is an arithmetic number, because the mean of its divisors is an integer number (89978984095).

Almost surely, 2^{1831151836801} is an apocalyptic number.

It is an amenable number.

1831151836801 is a deficient number, since it is larger than the sum of its proper divisors (328343781479).

1831151836801 is a wasteful number, since it uses less digits than its factorization.

1831151836801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47633 (or 47626 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 1831151836801 in words is "one trillion, eight hundred thirty-one billion, one hundred fifty-one million, eight hundred thirty-six thousand, eight hundred one".