11622001551642 has 48 divisors (see below), whose sum is σ = 25820312062272. Its totient is φ = 3776837518080.

The previous prime is 11622001551631. The next prime is 11622001551689. The reversal of 11622001551642 is 24615510022611.

11622001551642 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 2 + 0 + 0 + 1 + 5 + 5 + 1 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11622001551597 and 11622001551606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49557334 + ... + 49791297.

It is an arithmetic number, because the mean of its divisors is an integer number (537923167964).

Almost surely, 2^{11622001551642} is an apocalyptic number.

11622001551642 is an abundant number, since it is smaller than the sum of its proper divisors (14198310510630).

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

11622001551642 is a wasteful number, since it uses less digits than its factorization.

11622001551642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99348803 (or 99348800 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 11622001551642 in words is "eleven trillion, six hundred twenty-two billion, one million, five hundred fifty-one thousand, six hundred forty-two".