11670274356 has 96 divisors (see below), whose sum is σ = 29786574720. Its totient is φ = 3534575616.

The previous prime is 11670274351. The next prime is 11670274391. The reversal of 11670274356 is 65347207611.

It is a happy number.

It is a super-2 number, since 2×11670274356² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670274351) 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, 9781696 + ... + 9782888.

It is an arithmetic number, because the mean of its divisors is an integer number (310276820).

Almost surely, 2^11670274356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11670274356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14893287360).

11670274356 is an abundant number, since it is smaller than the sum of its proper divisors (18116300364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11670274356 is a wasteful number, since it uses less digits than its factorization.

11670274356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 11670274356 in words is "eleven billion, six hundred seventy million, two hundred seventy-four thousand, three hundred fifty-six".