61481804054 has 16 divisors (see below), whose sum is σ = 100622232720. Its totient is φ = 27941928960.

The previous prime is 61481804029. The next prime is 61481804099. The reversal of 61481804054 is 45040818416.

It is a happy number.

It is a congruent number.

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, 70379 + ... + 357654.

It is an arithmetic number, because the mean of its divisors is an integer number (6288889545).

Almost surely, 2^61481804054 is an apocalyptic number.

61481804054 is a deficient number, since it is larger than the sum of its proper divisors (39140428666).

61481804054 is a wasteful number, since it uses less digits than its factorization.

61481804054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434575.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 61481804054 in words is "sixty-one billion, four hundred eighty-one million, eight hundred four thousand, fifty-four".