1421256566150 has 48 divisors (see below), whose sum is σ = 2655692875968. Its totient is φ = 565890624000.

The previous prime is 1421256566131. The next prime is 1421256566183. The reversal of 1421256566150 is 516656521241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28183859 + ... + 28234241.

It is an arithmetic number, because the mean of its divisors is an integer number (55326934916).

Almost surely, 2^{1421256566150} is an apocalyptic number.

1421256566150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421256566150 is a deficient number, since it is larger than the sum of its proper divisors (1234436309818).

1421256566150 is a wasteful number, since it uses less digits than its factorization.

1421256566150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52977 (or 52972 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 1421256566150 in words is "one trillion, four hundred twenty-one billion, two hundred fifty-six million, five hundred sixty-six thousand, one hundred fifty".