1151416421421 has 8 divisors (see below), whose sum is σ = 1754539308864. Its totient is φ = 657952240800.

The previous prime is 1151416421413. The next prime is 1151416421431. The reversal of 1151416421421 is 1241246141511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151416421421 - 2³ = 1151416421413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151416421431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27414676680 + ... + 27414676721.

It is an arithmetic number, because the mean of its divisors is an integer number (219317413608).

Almost surely, 2^{1151416421421} is an apocalyptic number.

It is an amenable number.

1151416421421 is a deficient number, since it is larger than the sum of its proper divisors (603122887443).

1151416421421 is an equidigital number, since it uses as much as digits as its factorization.

1151416421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54829353411.

The product of its digits is 7680, while the sum is 33.

The spelling of 1151416421421 in words is "one trillion, one hundred fifty-one billion, four hundred sixteen million, four hundred twenty-one thousand, four hundred twenty-one".