153681881281400 has 96 divisors (see below), whose sum is σ = 369656077215600. Its totient is φ = 59349043353600.

The previous prime is 153681881281393. The next prime is 153681881281519. The reversal of 153681881281400 is 4182188186351.

153681881281400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86825639 + ... + 88577961.

Almost surely, 2^{153681881281400} is an apocalyptic number.

153681881281400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153681881281400 is an abundant number, since it is smaller than the sum of its proper divisors (215974195934200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153681881281400 is a wasteful number, since it uses less digits than its factorization.

153681881281400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767489 (or 1767480 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 56.

The spelling of 153681881281400 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".