15400847085546 has 64 divisors (see below), whose sum is σ = 33798101783040. Its totient is φ = 4649150338560.

The previous prime is 15400847085539. The next prime is 15400847085557. The reversal of 15400847085546 is 64558074800451.

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 31 ways as a sum of consecutive naturals, for example, 177061215 + ... + 177148173.

It is an arithmetic number, because the mean of its divisors is an integer number (528095340360).

Almost surely, 2^{15400847085546} is an apocalyptic number.

15400847085546 is an abundant number, since it is smaller than the sum of its proper divisors (18397254697494).

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

15400847085546 is a wasteful number, since it uses less digits than its factorization.

15400847085546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129871.

The product of its (nonzero) digits is 21504000, while the sum is 57.

The spelling of 15400847085546 in words is "fifteen trillion, four hundred billion, eight hundred forty-seven million, eighty-five thousand, five hundred forty-six".