75661123132 has 12 divisors (see below), whose sum is σ = 151322246320. Its totient is φ = 32426195616.

The previous prime is 75661123099. The next prime is 75661123169. The reversal of 75661123132 is 23132116657.

75661123132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 75661123091 and 75661123100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351091457 + ... + 1351091512.

Almost surely, 2^75661123132 is an apocalyptic number.

It is an amenable number.

75661123132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75661123132 is a wasteful number, since it uses less digits than its factorization.

75661123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702182980 (or 2702182978 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

Adding to 75661123132 its reverse (23132116657), we get a palindrome (98793239789).

The spelling of 75661123132 in words is "seventy-five billion, six hundred sixty-one million, one hundred twenty-three thousand, one hundred thirty-two".