1142263625550 has 24 divisors (see below), whose sum is σ = 2832813791736. Its totient is φ = 304603633440.

The previous prime is 1142263625519. The next prime is 1142263625567. The reversal of 1142263625550 is 555263622411.

It is a super-2 number, since 2×1142263625550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3807545269 + ... + 3807545568.

It is an arithmetic number, because the mean of its divisors is an integer number (118033907989).

Almost surely, 2^{1142263625550} is an apocalyptic number.

1142263625550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142263625550 is an abundant number, since it is smaller than the sum of its proper divisors (1690550166186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142263625550 is a wasteful number, since it uses less digits than its factorization.

1142263625550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615090852 (or 7615090847 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 1142263625550 in words is "one trillion, one hundred forty-two billion, two hundred sixty-three million, six hundred twenty-five thousand, five hundred fifty".