61504132106 has 8 divisors (see below), whose sum is σ = 92589253860. Its totient is φ = 30641047488.

The previous prime is 61504132093. The next prime is 61504132177. The reversal of 61504132106 is 60123140516.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58713651481 + 2790480625 = 242309^2 + 52825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61504132106² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55508591 + ... + 55509698.

Almost surely, 2^61504132106 is an apocalyptic number.

61504132106 is a deficient number, since it is larger than the sum of its proper divisors (31085121754).

61504132106 is a wasteful number, since it uses less digits than its factorization.

61504132106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111018568.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 61504132106 in words is "sixty-one billion, five hundred four million, one hundred thirty-two thousand, one hundred six".