51200136521546 has 16 divisors (see below), whose sum is σ = 78162968217600. Its totient is φ = 25146492283008.

The previous prime is 51200136521509. The next prime is 51200136521561. The reversal of 51200136521546 is 64512563100215.

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, 169473575 + ... + 169775418.

It is an arithmetic number, because the mean of its divisors is an integer number (4885185513600).

Almost surely, 2^{51200136521546} is an apocalyptic number.

51200136521546 is a deficient number, since it is larger than the sum of its proper divisors (26962831696054).

51200136521546 is a wasteful number, since it uses less digits than its factorization.

51200136521546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339250333.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 51200136521546 in words is "fifty-one trillion, two hundred billion, one hundred thirty-six million, five hundred twenty-one thousand, five hundred forty-six".