51541625004 has 24 divisors (see below), whose sum is σ = 123514165488. Its totient is φ = 16716202560.

The previous prime is 51541624999. The next prime is 51541625011. The reversal of 51541625004 is 40052614515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58041927 + ... + 58042814.

It is an arithmetic number, because the mean of its divisors is an integer number (5146423562).

Almost surely, 2^51541625004 is an apocalyptic number.

It is an amenable number.

51541625004 is an abundant number, since it is smaller than the sum of its proper divisors (71972540484).

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

51541625004 is a wasteful number, since it uses less digits than its factorization.

51541625004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116084785 (or 116084783 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 51541625004 in words is "fifty-one billion, five hundred forty-one million, six hundred twenty-five thousand, four".