61452251640132 has 12 divisors (see below), whose sum is σ = 143388587160336. Its totient is φ = 20484083880040.

The previous prime is 61452251640127. The next prime is 61452251640133. The reversal of 61452251640132 is 23104615225416.

61452251640132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (61452251640133) 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, 2560510484994 + ... + 2560510485017.

It is an arithmetic number, because the mean of its divisors is an integer number (11949048930028).

Almost surely, 2^{61452251640132} is an apocalyptic number.

It is an amenable number.

61452251640132 is an abundant number, since it is smaller than the sum of its proper divisors (81936335520204).

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

61452251640132 is a wasteful number, since it uses less digits than its factorization.

61452251640132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121020970018 (or 5121020970016 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 61452251640132 its reverse (23104615225416), we get a palindrome (84556866865548).

The spelling of 61452251640132 in words is "sixty-one trillion, four hundred fifty-two billion, two hundred fifty-one million, six hundred forty thousand, one hundred thirty-two".