11920408748292 has 24 divisors (see below), whose sum is σ = 30342858632352. Its totient is φ = 3612245075200.

The previous prime is 11920408748249. The next prime is 11920408748317. The reversal of 11920408748292 is 29284780402911.

It is a super-2 number, since 2×11920408748292² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45153063309 + ... + 45153063572.

It is an arithmetic number, because the mean of its divisors is an integer number (1264285776348).

Almost surely, 2^{11920408748292} is an apocalyptic number.

11920408748292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11920408748292 is an abundant number, since it is smaller than the sum of its proper divisors (18422449884060).

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

11920408748292 is a wasteful number, since it uses less digits than its factorization.

11920408748292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90306126899 (or 90306126897 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 11920408748292 in words is "eleven trillion, nine hundred twenty billion, four hundred eight million, seven hundred forty-eight thousand, two hundred ninety-two".