1979552862015 has 16 divisors (see below), whose sum is σ = 3167317298400. Its totient is φ = 1055750620032.

The previous prime is 1979552862013. The next prime is 1979552862029. The reversal of 1979552862015 is 5102682559791.

It is not a de Polignac number, because 1979552862015 - 2¹ = 1979552862013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1979552862015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979552862013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943821 + ... + 2202249.

It is an arithmetic number, because the mean of its divisors is an integer number (197957331150).

Almost surely, 2^{1979552862015} is an apocalyptic number.

1979552862015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1979552862015 is a deficient number, since it is larger than the sum of its proper divisors (1187764436385).

1979552862015 is a wasteful number, since it uses less digits than its factorization.

1979552862015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363306.

The product of its (nonzero) digits is 13608000, while the sum is 60.

The spelling of 1979552862015 in words is "one trillion, nine hundred seventy-nine billion, five hundred fifty-two million, eight hundred sixty-two thousand, fifteen".