42351511434425 has 24 divisors (see below), whose sum is σ = 52623524753856. Its totient is φ = 33811790066240.

The previous prime is 42351511434409. The next prime is 42351511434437. The reversal of 42351511434425 is 52443411515324.

It is not a de Polignac number, because 42351511434425 - 2⁴ = 42351511434409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51344612 + ... + 52162938.

It is an arithmetic number, because the mean of its divisors is an integer number (2192646864744).

Almost surely, 2^{42351511434425} is an apocalyptic number.

It is an amenable number.

42351511434425 is a deficient number, since it is larger than the sum of its proper divisors (10272013319431).

42351511434425 is a wasteful number, since it uses less digits than its factorization.

42351511434425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822577 (or 822572 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

Adding to 42351511434425 its reverse (52443411515324), we get a palindrome (94794922949749).

The spelling of 42351511434425 in words is "forty-two trillion, three hundred fifty-one billion, five hundred eleven million, four hundred thirty-four thousand, four hundred twenty-five".