1015225720970 has 16 divisors (see below), whose sum is σ = 1829276741448. Its totient is φ = 405674634240.

The previous prime is 1015225720921. The next prime is 1015225721021. The reversal of 1015225720970 is 790275225101.

It can be written as a sum of positive squares in 4 ways, for example, as 850771951129 + 164453769841 = 922373^2 + 405529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51946511 + ... + 51966050.

Almost surely, 2^{1015225720970} is an apocalyptic number.

1015225720970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1015225720970 is a deficient number, since it is larger than the sum of its proper divisors (814051020478).

1015225720970 is a wasteful number, since it uses less digits than its factorization.

1015225720970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103913545.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 1015225720970 in words is "one trillion, fifteen billion, two hundred twenty-five million, seven hundred twenty thousand, nine hundred seventy".