1001011161012 has 48 divisors (see below), whose sum is σ = 2460037070400. Its totient is φ = 315927095040.

The previous prime is 1001011160971. The next prime is 1001011161049. The reversal of 1001011161012 is 2101611101001.

It is a junction number, because it is equal to n+sod(n) for n = 1001011160982 and 1001011161000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863937 + ... + 1657832.

It is an arithmetic number, because the mean of its divisors is an integer number (51250772300).

Almost surely, 2^{1001011161012} is an apocalyptic number.

1001011161012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001011161012 is an abundant number, since it is smaller than the sum of its proper divisors (1459025909388).

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

1001011161012 is a wasteful number, since it uses less digits than its factorization.

1001011161012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523536 (or 2523534 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1001011161012 its reverse (2101611101001), we get a palindrome (3102622262013).

The spelling of 1001011161012 in words is "one trillion, one billion, eleven million, one hundred sixty-one thousand, twelve".