11001401512 has 32 divisors (see below), whose sum is σ = 21265833600. Its totient is φ = 5331645504.

The previous prime is 11001401399. The next prime is 11001401519. The reversal of 11001401512 is 21510410011.

It is a super-2 number, since 2×11001401512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11001401519) 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, 7189 + ... + 148507.

It is an arithmetic number, because the mean of its divisors is an integer number (664557300).

Almost surely, 2^11001401512 is an apocalyptic number.

It is an amenable number.

11001401512 is a deficient number, since it is larger than the sum of its proper divisors (10264432088).

11001401512 is a wasteful number, since it uses less digits than its factorization.

11001401512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141625 (or 141621 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 11001401512 its reverse (21510410011), we get a palindrome (32511811523).

The spelling of 11001401512 in words is "eleven billion, one million, four hundred one thousand, five hundred twelve".