61461804036 has 24 divisors (see below), whose sum is σ = 143425637824. Its totient is φ = 20485159200.

The previous prime is 61461804017. The next prime is 61461804091. The reversal of 61461804036 is 63040816416.

It is a junction number, because it is equal to n+sod(n) for n = 61461803985 and 61461804003.

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, 139840 + ... + 377463.

Almost surely, 2^61461804036 is an apocalyptic number.

It is an amenable number.

61461804036 is an abundant number, since it is smaller than the sum of its proper divisors (81963833788).

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

61461804036 is a wasteful number, since it uses less digits than its factorization.

61461804036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527211 (or 527209 counting only the distinct ones).

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

The spelling of 61461804036 in words is "sixty-one billion, four hundred sixty-one million, eight hundred four thousand, thirty-six".