2015196019776 has 63 divisors (see below), whose sum is σ = 5776293192501. Its totient is φ = 671720649984.

The previous prime is 2015196019721. The next prime is 2015196019787. The reversal of 2015196019776 is 6779106915102.

The square root of 2015196019776 is 1419576.

It is a perfect power (a square), and thus also a powerful number.

2015196019776 is a `hidden beast` number, since 2 + 0 + 15 + 19 + 601 + 9 + 7 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2001591130176 + 13604889600 = 1414776^2 + 116640^2 .

It is a super-2 number, since 2×2015196019776² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34040250 + ... + 34099398.

Almost surely, 2^{2015196019776} is an apocalyptic number.

2015196019776 is the 1419576-th square number.

It is an amenable number.

2015196019776 is an abundant number, since it is smaller than the sum of its proper divisors (3761097172725).

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

2015196019776 is an frugal number, since it uses more digits than its factorization.

2015196019776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118316 (or 59154 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 2015196019776 in words is "two trillion, fifteen billion, one hundred ninety-six million, nineteen thousand, seven hundred seventy-six".