1015261055616 has 32 divisors (see below), whose sum is σ = 2696787180000. Its totient is φ = 338420351744.

The previous prime is 1015261055461. The next prime is 1015261055629. The reversal of 1015261055616 is 6165501625101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1015261055616² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321954116 + ... + 1321954883.

It is an arithmetic number, because the mean of its divisors is an integer number (84274599375).

Almost surely, 2^{1015261055616} is an apocalyptic number.

1015261055616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1015261055616 is an abundant number, since it is smaller than the sum of its proper divisors (1681526124384).

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

1015261055616 is an equidigital number, since it uses as much as digits as its factorization.

1015261055616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643909016 (or 2643909004 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 1015261055616 in words is "one trillion, fifteen billion, two hundred sixty-one million, fifty-five thousand, six hundred sixteen".