61501253432132 has 24 divisors (see below), whose sum is σ = 110142457922112. Its totient is φ = 30032139564000.

The previous prime is 61501253432063. The next prime is 61501253432189. The reversal of 61501253432132 is 23123435210516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18433919 + ... + 21513062.

It is an arithmetic number, because the mean of its divisors is an integer number (4589269080088).

Almost surely, 2^{61501253432132} is an apocalyptic number.

It is an amenable number.

61501253432132 is a deficient number, since it is larger than the sum of its proper divisors (48641204489980).

61501253432132 is a wasteful number, since it uses less digits than its factorization.

61501253432132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39955979 (or 39955977 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 61501253432132 its reverse (23123435210516), we get a palindrome (84624688642648).

The spelling of 61501253432132 in words is "sixty-one trillion, five hundred one billion, two hundred fifty-three million, four hundred thirty-two thousand, one hundred thirty-two".