1011205072115 has 16 divisors (see below), whose sum is σ = 1459784766720. Its totient is φ = 656903144160.

The previous prime is 1011205072103. The next prime is 1011205072123. The reversal of 1011205072115 is 5112705021101.

It is not a de Polignac number, because 1011205072115 - 2¹⁰ = 1011205071091 is a prime.

It is a super-2 number, since 2×1011205072115² (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 15 ways as a sum of consecutive naturals, for example, 760303901 + ... + 760305230.

It is an arithmetic number, because the mean of its divisors is an integer number (91236547920).

Almost surely, 2^{1011205072115} is an apocalyptic number.

1011205072115 is a deficient number, since it is larger than the sum of its proper divisors (448579694605).

1011205072115 is a wasteful number, since it uses less digits than its factorization.

1011205072115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520609162.

The product of its (nonzero) digits is 700, while the sum is 26.

The spelling of 1011205072115 in words is "one trillion, eleven billion, two hundred five million, seventy-two thousand, one hundred fifteen".