1551422233642 has 16 divisors (see below), whose sum is σ = 2361919849920. Its totient is φ = 764116138368.

The previous prime is 1551422233583. The next prime is 1551422233657. The reversal of 1551422233642 is 2463322241551.

It is a junction number, because it is equal to n+sod(n) for n = 1551422233595 and 1551422233604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7510234 + ... + 7714042.

It is an arithmetic number, because the mean of its divisors is an integer number (147619990620).

Almost surely, 2^{1551422233642} is an apocalyptic number.

1551422233642 is a deficient number, since it is larger than the sum of its proper divisors (810497616278).

1551422233642 is a wasteful number, since it uses less digits than its factorization.

1551422233642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260685.

The product of its digits is 345600, while the sum is 40.

The spelling of 1551422233642 in words is "one trillion, five hundred fifty-one billion, four hundred twenty-two million, two hundred thirty-three thousand, six hundred forty-two".