1542551132232 has 512 divisors, whose sum is σ = 5150374502400. Its totient is φ = 422431027200.

The previous prime is 1542551132207. The next prime is 1542551132251. The reversal of 1542551132232 is 2322311552451.

1542551132232 is a `hidden beast` number, since 1 + 5 + 42 + 551 + 1 + 32 + 2 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 100608807 + ... + 100624137.

It is an arithmetic number, because the mean of its divisors is an integer number (10059325200).

Almost surely, 2^{1542551132232} is an apocalyptic number.

1542551132232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542551132232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575187251200).

1542551132232 is an abundant number, since it is smaller than the sum of its proper divisors (3607823370168).

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

1542551132232 is a wasteful number, since it uses less digits than its factorization.

1542551132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474 (or 15464 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 1542551132232 its reverse (2322311552451), we get a palindrome (3864862684683).

The spelling of 1542551132232 in words is "one trillion, five hundred forty-two billion, five hundred fifty-one million, one hundred thirty-two thousand, two hundred thirty-two".