11155340312 has 8 divisors (see below), whose sum is σ = 20916263100. Its totient is φ = 5577670152.

The previous prime is 11155340309. The next prime is 11155340351. The reversal of 11155340312 is 21304355111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697208762 + ... + 697208777.

Almost surely, 2^11155340312 is an apocalyptic number.

It is an amenable number.

11155340312 is a deficient number, since it is larger than the sum of its proper divisors (9760922788).

11155340312 is a wasteful number, since it uses less digits than its factorization.

11155340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394417545 (or 1394417541 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11155340312 its reverse (21304355111), we get a palindrome (32459695423).

The spelling of 11155340312 in words is "eleven billion, one hundred fifty-five million, three hundred forty thousand, three hundred twelve".