61426860132 has 48 divisors (see below), whose sum is σ = 156384954432. Its totient is φ = 18611143680.

The previous prime is 61426860109. The next prime is 61426860151. The reversal of 61426860132 is 23106862416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845968 + ... + 915704.

It is an arithmetic number, because the mean of its divisors is an integer number (3258019884).

Almost surely, 2^61426860132 is an apocalyptic number.

It is an amenable number.

61426860132 is an abundant number, since it is smaller than the sum of its proper divisors (94958094300).

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

61426860132 is a wasteful number, since it uses less digits than its factorization.

61426860132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76428 (or 76426 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 61426860132 in words is "sixty-one billion, four hundred twenty-six million, eight hundred sixty thousand, one hundred thirty-two".