2015161374204 has 240 divisors, whose sum is σ = 5845377871872. Its totient is φ = 600210000000.

The previous prime is 2015161374133. The next prime is 2015161374217. The reversal of 2015161374204 is 4024731615102.

2015161374204 is a `hidden beast` number, since 2 + 0 + 1 + 516 + 137 + 4 + 2 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 424152829 + ... + 424157579.

Almost surely, 2^{2015161374204} 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 2015161374204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2922688935936).

2015161374204 is an abundant number, since it is smaller than the sum of its proper divisors (3830216497668).

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

2015161374204 is a wasteful number, since it uses less digits than its factorization.

2015161374204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6779 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 2015161374204 its reverse (4024731615102), we get a palindrome (6039892989306).

The spelling of 2015161374204 in words is "two trillion, fifteen billion, one hundred sixty-one million, three hundred seventy-four thousand, two hundred four".