11050610991 has 32 divisors (see below), whose sum is σ = 16926931968. Its totient is φ = 6281763840.

The previous prime is 11050610911. The next prime is 11050610993. The reversal of 11050610991 is 19901605011.

It is not a de Polignac number, because 11050610991 - 2¹³ = 11050602799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11050610993) 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, 3608601 + ... + 3611661.

It is an arithmetic number, because the mean of its divisors is an integer number (528966624).

Almost surely, 2^11050610991 is an apocalyptic number.

11050610991 is a deficient number, since it is larger than the sum of its proper divisors (5876320977).

11050610991 is a wasteful number, since it uses less digits than its factorization.

11050610991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 2430, while the sum is 33.

The spelling of 11050610991 in words is "eleven billion, fifty million, six hundred ten thousand, nine hundred ninety-one".