101025663500 has 48 divisors (see below), whose sum is σ = 220966697952. Its totient is φ = 40350440000.

The previous prime is 101025663467. The next prime is 101025663517. The reversal of 101025663500 is 5366520101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189275 + ... + 487725.

It is an arithmetic number, because the mean of its divisors is an integer number (4603472874).

Almost surely, 2^101025663500 is an apocalyptic number.

101025663500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101025663500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110483348976).

101025663500 is an abundant number, since it is smaller than the sum of its proper divisors (119941034452).

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

101025663500 is a wasteful number, since it uses less digits than its factorization.

101025663500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299147 (or 299135 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 101025663500 in words is "one hundred one billion, twenty-five million, six hundred sixty-three thousand, five hundred".