1013555720715 has 16 divisors (see below), whose sum is σ = 1621703505408. Its totient is φ = 540558266976.

The previous prime is 1013555720707. The next prime is 1013555720731. The reversal of 1013555720715 is 5170275553101.

It is not a de Polignac number, because 1013555720715 - 2³ = 1013555720707 is a prime.

It is a super-2 number, since 2×1013555720715² (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, 2045262 + ... + 2492028.

It is an arithmetic number, because the mean of its divisors is an integer number (101356469088).

Almost surely, 2^{1013555720715} is an apocalyptic number.

1013555720715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1013555720715 is a deficient number, since it is larger than the sum of its proper divisors (608147784693).

1013555720715 is a wasteful number, since it uses less digits than its factorization.

1013555720715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598018.

The product of its (nonzero) digits is 183750, while the sum is 42.

The spelling of 1013555720715 in words is "one trillion, thirteen billion, five hundred fifty-five million, seven hundred twenty thousand, seven hundred fifteen".