61050145412 has 24 divisors (see below), whose sum is σ = 116338756800. Its totient is φ = 27921299616.

The previous prime is 61050145397. The next prime is 61050145463. The reversal of 61050145412 is 21454105016.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13847648 + ... + 13852055.

It is an arithmetic number, because the mean of its divisors is an integer number (4847448200).

Almost surely, 2^61050145412 is an apocalyptic number.

It is an amenable number.

61050145412 is a deficient number, since it is larger than the sum of its proper divisors (55288611388).

61050145412 is a wasteful number, since it uses less digits than its factorization.

61050145412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27699755 (or 27699753 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 61050145412 in words is "sixty-one billion, fifty million, one hundred forty-five thousand, four hundred twelve".