1511510151660 has 96 divisors (see below), whose sum is σ = 4336363104192. Its totient is φ = 393155911680.

The previous prime is 1511510151643. The next prime is 1511510151763. The reversal of 1511510151660 is 661510151151.

It is a super-3 number, since 3×1511510151660³ (a number of 38 digits) contains 333 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 31 ways as a sum of consecutive naturals, for example, 12132244 + ... + 12256196.

It is an arithmetic number, because the mean of its divisors is an integer number (45170449002).

Almost surely, 2^{1511510151660} is an apocalyptic number.

1511510151660 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 1511510151660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168181552096).

1511510151660 is an abundant number, since it is smaller than the sum of its proper divisors (2824852952532).

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

1511510151660 is a wasteful number, since it uses less digits than its factorization.

1511510151660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128963 (or 128961 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 1511510151660 in words is "one trillion, five hundred eleven billion, five hundred ten million, one hundred fifty-one thousand, six hundred sixty".