1515153645660 has 48 divisors (see below), whose sum is σ = 4272951312000. Its totient is φ = 401134200384.

The previous prime is 1515153645659. The next prime is 1515153645667. The reversal of 1515153645660 is 665463515151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515153645667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90828210 + ... + 90844889.

It is an arithmetic number, because the mean of its divisors is an integer number (89019819000).

Almost surely, 2^{1515153645660} is an apocalyptic number.

1515153645660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1515153645660 is an abundant number, since it is smaller than the sum of its proper divisors (2757797666340).

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

1515153645660 is a wasteful number, since it uses less digits than its factorization.

1515153645660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181673250 (or 181673248 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 1515153645660 in words is "one trillion, five hundred fifteen billion, one hundred fifty-three million, six hundred forty-five thousand, six hundred sixty".