11620452042 has 24 divisors (see below), whose sum is σ = 25235015520. Its totient is φ = 3864657960.

The previous prime is 11620452031. The next prime is 11620452059. The reversal of 11620452042 is 24025402611.

11620452042 is a `hidden beast` number, since 11 + 620 + 4 + 5 + 20 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11620451997 and 11620452015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727384 + ... + 743187.

It is an arithmetic number, because the mean of its divisors is an integer number (1051458980).

Almost surely, 2^11620452042 is an apocalyptic number.

11620452042 is an abundant number, since it is smaller than the sum of its proper divisors (13614563478).

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

11620452042 is a wasteful number, since it uses less digits than its factorization.

11620452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471018 (or 1471015 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11620452042 its reverse (24025402611), we get a palindrome (35645854653).

The spelling of 11620452042 in words is "eleven billion, six hundred twenty million, four hundred fifty-two thousand, forty-two".