11631272370 has 64 divisors (see below), whose sum is σ = 30101016960. Its totient is φ = 2866752000.

The previous prime is 11631272369. The next prime is 11631272377. The reversal of 11631272370 is 7327213611.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11631272377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225481 + ... + 272220.

It is an arithmetic number, because the mean of its divisors is an integer number (470328390).

Almost surely, 2^11631272370 is an apocalyptic number.

11631272370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11631272370 is an abundant number, since it is smaller than the sum of its proper divisors (18469744590).

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

11631272370 is a wasteful number, since it uses less digits than its factorization.

11631272370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497771.

The product of its (nonzero) digits is 10584, while the sum is 33.

Adding to 11631272370 its reverse (7327213611), we get a palindrome (18958485981).

The spelling of 11631272370 in words is "eleven billion, six hundred thirty-one million, two hundred seventy-two thousand, three hundred seventy".