421112145547 has 8 divisors (see below), whose sum is σ = 422313372000. Its totient is φ = 419911076544.

The previous prime is 421112145533. The next prime is 421112145563. The reversal of 421112145547 is 745541211124.

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

It is a cyclic number.

It is not a de Polignac number, because 421112145547 - 2³⁵ = 386752407179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421112145347) 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, 7204383 + ... + 7262599.

It is an arithmetic number, because the mean of its divisors is an integer number (52789171500).

Almost surely, 2^421112145547 is an apocalyptic number.

421112145547 is a deficient number, since it is larger than the sum of its proper divisors (1201226453).

421112145547 is a wasteful number, since it uses less digits than its factorization.

421112145547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78725.

The product of its digits is 44800, while the sum is 37.

The spelling of 421112145547 in words is "four hundred twenty-one billion, one hundred twelve million, one hundred forty-five thousand, five hundred forty-seven".