5511520042 has 16 divisors (see below), whose sum is σ = 9456760512. Its totient is φ = 2359969920.

The previous prime is 5511519973. The next prime is 5511520043. The reversal of 5511520042 is 2400251155.

It is a junction number, because it is equal to n+sod(n) for n = 5511519989 and 5511520016.

It is not an unprimeable number, because it can be changed into a prime (5511520043) 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, 159559 + ... + 191002.

It is an arithmetic number, because the mean of its divisors is an integer number (591047532).

Almost surely, 2^5511520042 is an apocalyptic number.

5511520042 is a deficient number, since it is larger than the sum of its proper divisors (3945240470).

5511520042 is a wasteful number, since it uses less digits than its factorization.

5511520042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351693.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5511520042 is about 74239.6123508198. The cubic root of 5511520042 is about 1766.4057252116.

Adding to 5511520042 its reverse (2400251155), we get a palindrome (7911771197).

It can be divided in two parts, 55115 and 20042, that added together give a palindrome (75157).

The spelling of 5511520042 in words is "five billion, five hundred eleven million, five hundred twenty thousand, forty-two".