1550250100342 has 4 divisors (see below), whose sum is σ = 2325375150516. Its totient is φ = 775125050170.

The previous prime is 1550250100247. The next prime is 1550250100349. The reversal of 1550250100342 is 2430010520551.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1550250100342² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1550250100342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550250100349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387562525084 + ... + 387562525087.

It is an arithmetic number, because the mean of its divisors is an integer number (581343787629).

Almost surely, 2^{1550250100342} is an apocalyptic number.

1550250100342 is a deficient number, since it is larger than the sum of its proper divisors (775125050174).

1550250100342 is an equidigital number, since it uses as much as digits as its factorization.

1550250100342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775125050173.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 1550250100342 its reverse (2430010520551), we get a palindrome (3980260620893).

The spelling of 1550250100342 in words is "one trillion, five hundred fifty billion, two hundred fifty million, one hundred thousand, three hundred forty-two".