61330738272532 has 6 divisors (see below), whose sum is σ = 107328791976938. Its totient is φ = 30665369136264.

The previous prime is 61330738272497. The next prime is 61330738272539. The reversal of 61330738272532 is 23527283703316.

It can be written as a sum of positive squares in only one way, i.e., 61313347520656 + 17390751876 = 7830284^2 + 131874^2 .

It is a super-2 number, since 2×61330738272532² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61330738272532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61330738272539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7666342284063 + ... + 7666342284070.

Almost surely, 2^{61330738272532} is an apocalyptic number.

It is an amenable number.

61330738272532 is a deficient number, since it is larger than the sum of its proper divisors (45998053704406).

61330738272532 is a wasteful number, since it uses less digits than its factorization.

61330738272532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332684568137 (or 15332684568135 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 61330738272532 in words is "sixty-one trillion, three hundred thirty billion, seven hundred thirty-eight million, two hundred seventy-two thousand, five hundred thirty-two".