1001555655162 has 16 divisors (see below), whose sum is σ = 2004005982720. Its totient is φ = 333702772992.

The previous prime is 1001555655091. The next prime is 1001555655181. The reversal of 1001555655162 is 2615565551001.

It is a super-2 number, since 2×1001555655162² (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 7 ways as a sum of consecutive naturals, for example, 37263463 + ... + 37290330.

It is an arithmetic number, because the mean of its divisors is an integer number (125250373920).

Almost surely, 2^{1001555655162} is an apocalyptic number.

1001555655162 is an abundant number, since it is smaller than the sum of its proper divisors (1002450327558).

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

1001555655162 is a wasteful number, since it uses less digits than its factorization.

1001555655162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74556037.

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 1001555655162 in words is "one trillion, one billion, five hundred fifty-five million, six hundred fifty-five thousand, one hundred sixty-two".