11097521474 has 16 divisors (see below), whose sum is σ = 18142754112. Its totient is φ = 5060221968.

The previous prime is 11097521473. The next prime is 11097521489. The reversal of 11097521474 is 47412579011.

It is a super-2 number, since 2×11097521474² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11097521473) 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, 2569094 + ... + 2573409.

It is an arithmetic number, because the mean of its divisors is an integer number (1133922132).

Almost surely, 2^11097521474 is an apocalyptic number.

11097521474 is a deficient number, since it is larger than the sum of its proper divisors (7045232638).

11097521474 is a wasteful number, since it uses less digits than its factorization.

11097521474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142601.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 11097521474 in words is "eleven billion, ninety-seven million, five hundred twenty-one thousand, four hundred seventy-four".