42203151556 has 6 divisors (see below), whose sum is σ = 73855515230. Its totient is φ = 21101575776.

The previous prime is 42203151553. The next prime is 42203151607. The reversal of 42203151556 is 65515130224.

It can be written as a sum of positive squares in only one way, i.e., 41806345156 + 396806400 = 204466^2 + 19920^2 .

It is a super-2 number, since 2×42203151556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42203151553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275393941 + ... + 5275393948.

Almost surely, 2^42203151556 is an apocalyptic number.

It is an amenable number.

42203151556 is a deficient number, since it is larger than the sum of its proper divisors (31652363674).

42203151556 is a wasteful number, since it uses less digits than its factorization.

42203151556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550787893 (or 10550787891 counting only the distinct ones).

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

The spelling of 42203151556 in words is "forty-two billion, two hundred three million, one hundred fifty-one thousand, five hundred fifty-six".