102015503000 has 128 divisors (see below), whose sum is σ = 257411044800. Its totient is φ = 37715328000.

The previous prime is 102015502993. The next prime is 102015503003. The reversal of 102015503000 is 305510201.

It is a self number, because there is not a number n which added to its sum of digits gives 102015503000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102015503003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713522 + ... + 844478.

Almost surely, 2^102015503000 is an apocalyptic number.

102015503000 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 102015503000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128705522400).

102015503000 is an abundant number, since it is smaller than the sum of its proper divisors (155395541800).

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

102015503000 is a wasteful number, since it uses less digits than its factorization.

102015503000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131038 (or 131024 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The spelling of 102015503000 in words is "one hundred two billion, fifteen million, five hundred three thousand".