11912936154 has 48 divisors (see below), whose sum is σ = 27818269056. Its totient is φ = 3391113600.

The previous prime is 11912936131. The next prime is 11912936177. The reversal of 11912936154 is 45163921911.

11912936154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11912936131) and next prime (11912936177).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4914 + ... + 154434.

It is an arithmetic number, because the mean of its divisors is an integer number (579547272).

Almost surely, 2^11912936154 is an apocalyptic number.

11912936154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11912936154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13909134528).

11912936154 is an abundant number, since it is smaller than the sum of its proper divisors (15905332902).

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

11912936154 is a wasteful number, since it uses less digits than its factorization.

11912936154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149811 (or 149804 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The spelling of 11912936154 in words is "eleven billion, nine hundred twelve million, nine hundred thirty-six thousand, one hundred fifty-four".