11409776948997 has 96 divisors (see below), whose sum is σ = 21348590515200. Its totient is φ = 5714852258304.

The previous prime is 11409776948989. The next prime is 11409776949013. The reversal of 11409776948997 is 79984967790411.

11409776948997 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 9 + 77 + 69 + 489 + 9 + 7 = 666.

It is not a de Polignac number, because 11409776948997 - 2³ = 11409776948989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409776948917) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3551143 + ... + 5952324.

It is an arithmetic number, because the mean of its divisors is an integer number (222381151200).

Almost surely, 2^{11409776948997} is an apocalyptic number.

11409776948997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11409776948997 is a deficient number, since it is larger than the sum of its proper divisors (9938813566203).

11409776948997 is a wasteful number, since it uses less digits than its factorization.

11409776948997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9503575 (or 9503572 counting only the distinct ones).

The product of its (nonzero) digits is 1728324864, while the sum is 81.

The spelling of 11409776948997 in words is "eleven trillion, four hundred nine billion, seven hundred seventy-six million, nine hundred forty-eight thousand, nine hundred ninety-seven".