10901653991 has 4 divisors (see below), whose sum is σ = 11155180872. Its totient is φ = 10648127112.

The previous prime is 10901653981. The next prime is 10901654021. The reversal of 10901653991 is 19935610901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19935610901 = 19 ⋅1049242679.

It is a cyclic number.

It is not a de Polignac number, because 10901653991 - 2²² = 10897459687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10901653981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126763376 + ... + 126763461.

It is an arithmetic number, because the mean of its divisors is an integer number (2788795218).

Almost surely, 2^10901653991 is an apocalyptic number.

10901653991 is a deficient number, since it is larger than the sum of its proper divisors (253526881).

10901653991 is an equidigital number, since it uses as much as digits as its factorization.

10901653991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253526880.

The product of its (nonzero) digits is 65610, while the sum is 44.

The spelling of 10901653991 in words is "ten billion, nine hundred one million, six hundred fifty-three thousand, nine hundred ninety-one".