11605688352554 has 16 divisors (see below), whose sum is σ = 18324843878880. Its totient is φ = 5497409486160.

The previous prime is 11605688352553. The next prime is 11605688352613. The reversal of 11605688352554 is 45525388650611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11605688352493 and 11605688352502.

It is not an unprimeable number, because it can be changed into a prime (11605688352553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13116809 + ... + 13973619.

It is an arithmetic number, because the mean of its divisors is an integer number (1145302742430).

Almost surely, 2^{11605688352554} is an apocalyptic number.

11605688352554 is a deficient number, since it is larger than the sum of its proper divisors (6719155526326).

11605688352554 is a wasteful number, since it uses less digits than its factorization.

11605688352554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213285.

The product of its (nonzero) digits is 34560000, while the sum is 59.

The spelling of 11605688352554 in words is "eleven trillion, six hundred five billion, six hundred eighty-eight million, three hundred fifty-two thousand, five hundred fifty-four".