1451543581136 has 20 divisors (see below), whose sum is σ = 3068035296864. Its totient is φ = 659792536800.

The previous prime is 1451543581133. The next prime is 1451543581141. The reversal of 1451543581136 is 6311853451541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451543581133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4123703180 + ... + 4123703531.

Almost surely, 2^{1451543581136} is an apocalyptic number.

1451543581136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1451543581136 is an abundant number, since it is smaller than the sum of its proper divisors (1616491715728).

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

1451543581136 is a wasteful number, since it uses less digits than its factorization.

1451543581136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247406730 (or 8247406724 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The spelling of 1451543581136 in words is "one trillion, four hundred fifty-one billion, five hundred forty-three million, five hundred eighty-one thousand, one hundred thirty-six".