11454146351421 has 16 divisors (see below), whose sum is σ = 15349423056000. Its totient is φ = 7597486024128.

The previous prime is 11454146351399. The next prime is 11454146351441. The reversal of 11454146351421 is 12415364145411.

It is not a de Polignac number, because 11454146351421 - 2²⁵ = 11454112796989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454146351441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19796095 + ... + 20366483.

It is an arithmetic number, because the mean of its divisors is an integer number (959338941000).

Almost surely, 2^{11454146351421} is an apocalyptic number.

It is an amenable number.

11454146351421 is a deficient number, since it is larger than the sum of its proper divisors (3895276704579).

11454146351421 is a wasteful number, since it uses less digits than its factorization.

11454146351421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604228.

The product of its digits is 230400, while the sum is 42.

The spelling of 11454146351421 in words is "eleven trillion, four hundred fifty-four billion, one hundred forty-six million, three hundred fifty-one thousand, four hundred twenty-one".