61541541454232 has 32 divisors (see below), whose sum is σ = 131876989103520. Its totient is φ = 26374494854400.

The previous prime is 61541541454121. The next prime is 61541541454319. The reversal of 61541541454232 is 23245414514516.

It is a super-2 number, since 2×61541541454232² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 6094943 + ... + 12658254.

It is an arithmetic number, because the mean of its divisors is an integer number (4121155909485).

Almost surely, 2^{61541541454232} is an apocalyptic number.

It is an amenable number.

61541541454232 is an abundant number, since it is smaller than the sum of its proper divisors (70335447649288).

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

61541541454232 is a wasteful number, since it uses less digits than its factorization.

61541541454232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18811811 (or 18811807 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

Adding to 61541541454232 its reverse (23245414514516), we get a palindrome (84786955968748).

The spelling of 61541541454232 in words is "sixty-one trillion, five hundred forty-one billion, five hundred forty-one million, four hundred fifty-four thousand, two hundred thirty-two".