2015411200450 has 12 divisors (see below), whose sum is σ = 3748664832930. Its totient is φ = 806164480160.

The previous prime is 2015411200447. The next prime is 2015411200489. The reversal of 2015411200450 is 540021145102.

It can be written as a sum of positive squares in 3 ways, for example, as 796522335361 + 1218888865089 = 892481^2 + 1104033^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20154111955 + ... + 20154112054.

Almost surely, 2^{2015411200450} is an apocalyptic number.

2015411200450 is a deficient number, since it is larger than the sum of its proper divisors (1733253632480).

2015411200450 is a wasteful number, since it uses less digits than its factorization.

2015411200450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40308224021 (or 40308224016 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 2015411200450 its reverse (540021145102), we get a palindrome (2555432345552).

The spelling of 2015411200450 in words is "two trillion, fifteen billion, four hundred eleven million, two hundred thousand, four hundred fifty".