45505515000 has 320 divisors, whose sum is σ = 164215434240. Its totient is φ = 10382080000.

The previous prime is 45505514993. The next prime is 45505515047. The reversal of 45505515000 is 51550554.

45505515000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2796889 + ... + 2813111.

It is an arithmetic number, because the mean of its divisors is an integer number (513173232).

Almost surely, 2^45505515000 is an apocalyptic number.

45505515000 is a gapful number since it is divisible by the number (40) 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 45505515000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82107717120).

45505515000 is an abundant number, since it is smaller than the sum of its proper divisors (118709919240).

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

45505515000 is a wasteful number, since it uses less digits than its factorization.

45505515000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16280 (or 16261 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 45505515000 in words is "forty-five billion, five hundred five million, five hundred fifteen thousand".