11074571961 has 8 divisors (see below), whose sum is σ = 14766617184. Its totient is φ = 7382787360.

The previous prime is 11074571957. The next prime is 11074571983. The reversal of 11074571961 is 16917547011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11074571961 - 2² = 11074571957 is a prime.

It is a super-3 number, since 3×11074571961³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11074571941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80541 + ... + 169221.

It is an arithmetic number, because the mean of its divisors is an integer number (1845827148).

Almost surely, 2^11074571961 is an apocalyptic number.

It is an amenable number.

11074571961 is a deficient number, since it is larger than the sum of its proper divisors (3692045223).

11074571961 is an equidigital number, since it uses as much as digits as its factorization.

11074571961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130311.

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 11074571961 in words is "eleven billion, seventy-four million, five hundred seventy-one thousand, nine hundred sixty-one".