1515151215006 has 128 divisors (see below), whose sum is σ = 3657373171200. Its totient is φ = 412242255360.

The previous prime is 1515151214959. The next prime is 1515151215007. The reversal of 1515151215006 is 6005121515151.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515151215007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179963865 + ... + 179972283.

It is an arithmetic number, because the mean of its divisors is an integer number (28573227900).

Almost surely, 2^{1515151215006} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1515151215006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828686585600).

1515151215006 is an abundant number, since it is smaller than the sum of its proper divisors (2142221956194).

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

1515151215006 is a wasteful number, since it uses less digits than its factorization.

1515151215006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154.

The product of its (nonzero) digits is 7500, while the sum is 33.

The spelling of 1515151215006 in words is "one trillion, five hundred fifteen billion, one hundred fifty-one million, two hundred fifteen thousand, six".