61452115224 has 32 divisors (see below), whose sum is σ = 158927886000. Its totient is φ = 19777692032.

The previous prime is 61452115177. The next prime is 61452115229. The reversal of 61452115224 is 42251125416.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61452115229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44145939 + ... + 44147330.

Almost surely, 2^61452115224 is an apocalyptic number.

It is an amenable number.

61452115224 is an abundant number, since it is smaller than the sum of its proper divisors (97475770776).

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

61452115224 is a wasteful number, since it uses less digits than its factorization.

61452115224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88293307 (or 88293303 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The spelling of 61452115224 in words is "sixty-one billion, four hundred fifty-two million, one hundred fifteen thousand, two hundred twenty-four".