61532354532 has 48 divisors (see below), whose sum is σ = 156775514112. Its totient is φ = 18628584480.

The previous prime is 61532354519. The next prime is 61532354561. The reversal of 61532354532 is 23545323516.

It is a super-3 number, since 3×61532354532³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78948 + ... + 359579.

It is an arithmetic number, because the mean of its divisors is an integer number (3266156544).

Almost surely, 2^61532354532 is an apocalyptic number.

It is an amenable number.

61532354532 is an abundant number, since it is smaller than the sum of its proper divisors (95243159580).

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

61532354532 is a wasteful number, since it uses less digits than its factorization.

61532354532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439608 (or 439606 counting only the distinct ones).

The product of its digits is 324000, while the sum is 39.

The spelling of 61532354532 in words is "sixty-one billion, five hundred thirty-two million, three hundred fifty-four thousand, five hundred thirty-two".