42151100454243 has 12 divisors (see below), whose sum is σ = 66419915867448. Its totient is φ = 25546121487360.

The previous prime is 42151100454223. The next prime is 42151100454259. The reversal of 42151100454243 is 34245400115124.

42151100454243 is a `hidden beast` number, since 4 + 2 + 1 + 5 + 1 + 100 + 4 + 542 + 4 + 3 = 666.

It is not a de Polignac number, because 42151100454243 - 2¹⁸ = 42151100192099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42151100454198 and 42151100454207.

It is not an unprimeable number, because it can be changed into a prime (42151100454223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212884345630 + ... + 212884345827.

It is an arithmetic number, because the mean of its divisors is an integer number (5534992988954).

Almost surely, 2^{42151100454243} is an apocalyptic number.

42151100454243 is a deficient number, since it is larger than the sum of its proper divisors (24268815413205).

42151100454243 is a wasteful number, since it uses less digits than its factorization.

42151100454243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425768691474 (or 425768691471 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 42151100454243 its reverse (34245400115124), we get a palindrome (76396500569367).

The spelling of 42151100454243 in words is "forty-two trillion, one hundred fifty-one billion, one hundred million, four hundred fifty-four thousand, two hundred forty-three".