11555601442 has 32 divisors (see below), whose sum is σ = 22550068224. Its totient is φ = 4306434000.

The previous prime is 11555601439. The next prime is 11555601457. The reversal of 11555601442 is 24410655511.

It is a junction number, because it is equal to n+sod(n) for n = 11555601398 and 11555601407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627684 + ... + 1634767.

It is an arithmetic number, because the mean of its divisors is an integer number (704689632).

Almost surely, 2^11555601442 is an apocalyptic number.

11555601442 is a deficient number, since it is larger than the sum of its proper divisors (10994466782).

11555601442 is a wasteful number, since it uses less digits than its factorization.

11555601442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262494.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 11555601442 in words is "eleven billion, five hundred fifty-five million, six hundred one thousand, four hundred forty-two".