1420015011144 has 32 divisors (see below), whose sum is σ = 3557327161920. Its totient is φ = 472366385856.

The previous prime is 1420015011131. The next prime is 1420015011167. The reversal of 1420015011144 is 4411105100241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60735019 + ... + 60758394.

It is an arithmetic number, because the mean of its divisors is an integer number (111166473810).

Almost surely, 2^{1420015011144} is an apocalyptic number.

It is an amenable number.

1420015011144 is an abundant number, since it is smaller than the sum of its proper divisors (2137312150776).

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

1420015011144 is a wasteful number, since it uses less digits than its factorization.

1420015011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121493909 (or 121493905 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 1420015011144 in words is "one trillion, four hundred twenty billion, fifteen million, eleven thousand, one hundred forty-four".