10901012991 has 32 divisors (see below), whose sum is σ = 16131467520. Its totient is φ = 6492115200.

The previous prime is 10901012977. The next prime is 10901012999. The reversal of 10901012991 is 19921010901.

It is not a de Polignac number, because 10901012991 - 2⁵ = 10901012959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10901012999) 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, 2882740 + ... + 2886518.

It is an arithmetic number, because the mean of its divisors is an integer number (504108360).

Almost surely, 2^10901012991 is an apocalyptic number.

10901012991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10901012991 is a deficient number, since it is larger than the sum of its proper divisors (5230454529).

10901012991 is a wasteful number, since it uses less digits than its factorization.

10901012991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 10901012991 in words is "ten billion, nine hundred one million, twelve thousand, nine hundred ninety-one".