102581628532 has 12 divisors (see below), whose sum is σ = 179773943076. Its totient is φ = 51217644800.

The previous prime is 102581628511. The next prime is 102581628571. The reversal of 102581628532 is 235826185201.

102581628532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49628255076 + 52953373456 = 222774^2 + 230116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18289213 + ... + 18294820.

It is an arithmetic number, because the mean of its divisors is an integer number (14981161923).

Almost surely, 2^102581628532 is an apocalyptic number.

It is an amenable number.

102581628532 is a deficient number, since it is larger than the sum of its proper divisors (77192314544).

102581628532 is a wasteful number, since it uses less digits than its factorization.

102581628532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584738 (or 36584736 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 102581628532 in words is "one hundred two billion, five hundred eighty-one million, six hundred twenty-eight thousand, five hundred thirty-two".