42524250155 has 16 divisors (see below), whose sum is σ = 53538739968. Its totient is φ = 32382288000.

The previous prime is 42524250121. The next prime is 42524250157. The reversal of 42524250155 is 55105242524.

It is not a de Polignac number, because 42524250155 - 2¹² = 42524246059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42524250157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239316 + ... + 2258225.

It is an arithmetic number, because the mean of its divisors is an integer number (3346171248).

Almost surely, 2^42524250155 is an apocalyptic number.

42524250155 is a deficient number, since it is larger than the sum of its proper divisors (11014489813).

42524250155 is a wasteful number, since it uses less digits than its factorization.

42524250155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497638.

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 42524250155 its reverse (55105242524), we get a palindrome (97629492679).

The spelling of 42524250155 in words is "forty-two billion, five hundred twenty-four million, two hundred fifty thousand, one hundred fifty-five".