11274731533 has 16 divisors (see below), whose sum is σ = 12224459520. Its totient is φ = 10336924224.

The previous prime is 11274731519. The next prime is 11274731579. The reversal of 11274731533 is 33513747211.

It is a cyclic number.

It is not a de Polignac number, because 11274731533 - 2¹⁷ = 11274600461 is a prime.

It is a super-2 number, since 2×11274731533² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11274731492 and 11274731501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11274731033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354860 + ... + 2359642.

It is an arithmetic number, because the mean of its divisors is an integer number (764028720).

Almost surely, 2^11274731533 is an apocalyptic number.

11274731533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11274731533 is a deficient number, since it is larger than the sum of its proper divisors (949727987).

11274731533 is a wasteful number, since it uses less digits than its factorization.

11274731533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988.

The product of its digits is 52920, while the sum is 37.

The spelling of 11274731533 in words is "eleven billion, two hundred seventy-four million, seven hundred thirty-one thousand, five hundred thirty-three".