1000655157565 has 32 divisors (see below), whose sum is σ = 1384625424384. Its totient is φ = 680030899200.

The previous prime is 1000655157539. The next prime is 1000655157577. The reversal of 1000655157565 is 5657515560001.

It is not a de Polignac number, because 1000655157565 - 2¹¹ = 1000655155517 is a prime.

It is a super-2 number, since 2×1000655157565² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2738665 + ... + 3082465.

It is an arithmetic number, because the mean of its divisors is an integer number (43269544512).

Almost surely, 2^{1000655157565} is an apocalyptic number.

It is an amenable number.

1000655157565 is a deficient number, since it is larger than the sum of its proper divisors (383970266819).

1000655157565 is a wasteful number, since it uses less digits than its factorization.

1000655157565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344557.

The product of its (nonzero) digits is 787500, while the sum is 46.

The spelling of 1000655157565 in words is "one trillion, six hundred fifty-five million, one hundred fifty-seven thousand, five hundred sixty-five".