1421250211560 has 128 divisors (see below), whose sum is σ = 4379551315200. Its totient is φ = 368709304320.

The previous prime is 1421250211487. The next prime is 1421250211621. The reversal of 1421250211560 is 651120521241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46022925 + ... + 46053795.

It is an arithmetic number, because the mean of its divisors is an integer number (34215244650).

Almost surely, 2^{1421250211560} is an apocalyptic number.

1421250211560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421250211560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189775657600).

1421250211560 is an abundant number, since it is smaller than the sum of its proper divisors (2958301103640).

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

1421250211560 is a wasteful number, since it uses less digits than its factorization.

1421250211560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41291 (or 41287 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1421250211560 in words is "one trillion, four hundred twenty-one billion, two hundred fifty million, two hundred eleven thousand, five hundred sixty".