61028605012 has 12 divisors (see below), whose sum is σ = 109283781376. Its totient is φ = 29804667480.

The previous prime is 61028605003. The next prime is 61028605021. The reversal of 61028605012 is 21050682016.

61028605012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61028605003) and next prime (61028605021).

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, 177408564 + ... + 177408907.

Almost surely, 2^61028605012 is an apocalyptic number.

It is an amenable number.

61028605012 is a deficient number, since it is larger than the sum of its proper divisors (48255176364).

61028605012 is a wasteful number, since it uses less digits than its factorization.

61028605012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354817518 (or 354817516 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 61028605012 in words is "sixty-one billion, twenty-eight million, six hundred five thousand, twelve".