11801148172 has 24 divisors (see below), whose sum is σ = 22838093712. Its totient is φ = 5290675200.

The previous prime is 11801148127. The next prime is 11801148209. The reversal of 11801148172 is 27184110811.

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, 1833829 + ... + 1840252.

It is an arithmetic number, because the mean of its divisors is an integer number (951587238).

Almost surely, 2^11801148172 is an apocalyptic number.

It is an amenable number.

11801148172 is a deficient number, since it is larger than the sum of its proper divisors (11036945540).

11801148172 is a wasteful number, since it uses less digits than its factorization.

11801148172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674169 (or 3674167 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 34.

Adding to 11801148172 its reverse (27184110811), we get a palindrome (38985258983).

The spelling of 11801148172 in words is "eleven billion, eight hundred one million, one hundred forty-eight thousand, one hundred seventy-two".