3561255142 has 16 divisors (see below), whose sum is σ = 5480036352. Its totient is φ = 1734916680.

The previous prime is 3561255083. The next prime is 3561255151. The reversal of 3561255142 is 2415521653.

It is a junction number, because it is equal to n+sod(n) for n = 3561255098 and 3561255107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63984 + ... + 105907.

It is an arithmetic number, because the mean of its divisors is an integer number (342502272).

Almost surely, 2^3561255142 is an apocalyptic number.

3561255142 is a deficient number, since it is larger than the sum of its proper divisors (1918781210).

3561255142 is a wasteful number, since it uses less digits than its factorization.

3561255142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170163.

The product of its digits is 36000, while the sum is 34.

The square root of 3561255142 is about 59676.2527476382. The cubic root of 3561255142 is about 1527.1007710701.

Adding to 3561255142 its reverse (2415521653), we get a palindrome (5976776795).

The spelling of 3561255142 in words is "three billion, five hundred sixty-one million, two hundred fifty-five thousand, one hundred forty-two".