85561556152 has 32 divisors (see below), whose sum is σ = 169091258400. Its totient is φ = 40526222464.

The previous prime is 85561556149. The next prime is 85561556173. The reversal of 85561556152 is 25165516558.

It is a junction number, because it is equal to n+sod(n) for n = 85561556096 and 85561556105.

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, 3466948 + ... + 3491539.

It is an arithmetic number, because the mean of its divisors is an integer number (5284101825).

Almost surely, 2^85561556152 is an apocalyptic number.

It is an amenable number.

85561556152 is a deficient number, since it is larger than the sum of its proper divisors (83529702248).

85561556152 is a wasteful number, since it uses less digits than its factorization.

85561556152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6958575 (or 6958571 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 49.

The spelling of 85561556152 in words is "eighty-five billion, five hundred sixty-one million, five hundred fifty-six thousand, one hundred fifty-two".