11611057332 has 24 divisors (see below), whose sum is σ = 30962819776. Its totient is φ = 3317444928.

The previous prime is 11611057253. The next prime is 11611057387. The reversal of 11611057332 is 23375011611.

It is a self number, because there is not a number n which added to its sum of digits gives 11611057332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69113353 + ... + 69113520.

Almost surely, 2^11611057332 is an apocalyptic number.

11611057332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11611057332 is an abundant number, since it is smaller than the sum of its proper divisors (19351762444).

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

11611057332 is a wasteful number, since it uses less digits than its factorization.

11611057332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138226887 (or 138226885 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

Adding to 11611057332 its reverse (23375011611), we get a palindrome (34986068943).

The spelling of 11611057332 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, three hundred thirty-two".