153681881281401 has 8 divisors (see below), whose sum is σ = 223537281863904. Its totient is φ = 93140534109920.

The previous prime is 153681881281393. The next prime is 153681881281519. The reversal of 153681881281401 is 104182188186351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153681881281401 - 2³ = 153681881281393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153681881281001) 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, 2328513352716 + ... + 2328513352781.

It is an arithmetic number, because the mean of its divisors is an integer number (27942160232988).

Almost surely, 2^{153681881281401} is an apocalyptic number.

153681881281401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

153681881281401 is a deficient number, since it is larger than the sum of its proper divisors (69855400582503).

153681881281401 is a wasteful number, since it uses less digits than its factorization.

153681881281401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657026705511.

The product of its (nonzero) digits is 2949120, while the sum is 57.

The spelling of 153681881281401 in words is "one hundred fifty-three trillion, six hundred eighty-one billion, eight hundred eighty-one million, two hundred eighty-one thousand, four hundred one".