1511641545216 has 160 divisors (see below), whose sum is σ = 4448822400000. Its totient is φ = 452274401280.

The previous prime is 1511641545187. The next prime is 1511641545233. The reversal of 1511641545216 is 6125451461151.

It is a happy number.

It is a super-2 number, since 2×1511641545216² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768535 + ... + 1901033.

It is an arithmetic number, because the mean of its divisors is an integer number (27805140000).

Almost surely, 2^{1511641545216} is an apocalyptic number.

1511641545216 is a gapful number since it is divisible by the number (16) 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 1511641545216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224411200000).

1511641545216 is an abundant number, since it is smaller than the sum of its proper divisors (2937180854784).

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

1511641545216 is a wasteful number, since it uses less digits than its factorization.

1511641545216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132610 (or 1132594 counting only the distinct ones).

The product of its digits is 144000, while the sum is 42.

The spelling of 1511641545216 in words is "one trillion, five hundred eleven billion, six hundred forty-one million, five hundred forty-five thousand, two hundred sixteen".