11197148430 has 64 divisors (see below), whose sum is σ = 30642712128. Its totient is φ = 2594088960.

The previous prime is 11197148401. The next prime is 11197148441. The reversal of 11197148430 is 3484179111.

It is a happy number.

It is a super-2 number, since 2×11197148430² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837801 + ... + 851060.

It is an arithmetic number, because the mean of its divisors is an integer number (478792377).

Almost surely, 2^11197148430 is an apocalyptic number.

11197148430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11197148430 is an abundant number, since it is smaller than the sum of its proper divisors (19445563698).

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

11197148430 is a wasteful number, since it uses less digits than its factorization.

11197148430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688901.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 11197148430 in words is "eleven billion, one hundred ninety-seven million, one hundred forty-eight thousand, four hundred thirty".