5511243042 has 48 divisors (see below), whose sum is σ = 12351201408. Its totient is φ = 1774848960.

The previous prime is 5511243029. The next prime is 5511243061. The reversal of 5511243042 is 2403421155.

It is a junction number, because it is equal to n+sod(n) for n = 5511242997 and 5511243015.

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, 39763 + ... + 112265.

It is an arithmetic number, because the mean of its divisors is an integer number (257316696).

Almost surely, 2^5511243042 is an apocalyptic number.

5511243042 is an abundant number, since it is smaller than the sum of its proper divisors (6839958366).

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

5511243042 is a wasteful number, since it uses less digits than its factorization.

5511243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72655 (or 72652 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5511243042 is about 74237.7467465170. The cubic root of 5511243042 is about 1766.3761324931.

Adding to 5511243042 its reverse (2403421155), we get a palindrome (7914664197).

The spelling of 5511243042 in words is "five billion, five hundred eleven million, two hundred forty-three thousand, forty-two".