1000091000901 has 32 divisors (see below), whose sum is σ = 1362312806400. Its totient is φ = 652419403200.

The previous prime is 1000091000869. The next prime is 1000091000927. The reversal of 1000091000901 is 1090001900001.

It is not a de Polignac number, because 1000091000901 - 2⁵ = 1000091000869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000091000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29748700 + ... + 29782298.

It is an arithmetic number, because the mean of its divisors is an integer number (42572275200).

Almost surely, 2^{1000091000901} is an apocalyptic number.

It is an amenable number.

1000091000901 is a deficient number, since it is larger than the sum of its proper divisors (362221805499).

1000091000901 is a wasteful number, since it uses less digits than its factorization.

1000091000901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34497.

The product of its (nonzero) digits is 81, while the sum is 21.

Adding to 1000091000901 its reverse (1090001900001), we get a palindrome (2090092900902).

The spelling of 1000091000901 in words is "one trillion, ninety-one million, nine hundred one", and thus it is an aban number.