1545150515916 has 96 divisors (see below), whose sum is σ = 4345560002560. Its totient is φ = 417436317504.

The previous prime is 1545150515911. The next prime is 1545150515927. The reversal of 1545150515916 is 6195150515451.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1545150515911) 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, 90856 + ... + 1760271.

Almost surely, 2^{1545150515916} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545150515916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172780001280).

1545150515916 is an abundant number, since it is smaller than the sum of its proper divisors (2800409486644).

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

1545150515916 is a wasteful number, since it uses less digits than its factorization.

1545150515916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851683 (or 1851681 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 48.

The spelling of 1545150515916 in words is "one trillion, five hundred forty-five billion, one hundred fifty million, five hundred fifteen thousand, nine hundred sixteen".