1551005252434 has 16 divisors (see below), whose sum is σ = 2538599396256. Its totient is φ = 704838276000.

The previous prime is 1551005252387. The next prime is 1551005252443. The reversal of 1551005252434 is 4342525001551.

It is a junction number, because it is equal to n+sod(n) for n = 1551005252393 and 1551005252402.

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, 8108892 + ... + 8297959.

It is an arithmetic number, because the mean of its divisors is an integer number (158662462266).

Almost surely, 2^{1551005252434} is an apocalyptic number.

1551005252434 is a deficient number, since it is larger than the sum of its proper divisors (987594143822).

1551005252434 is a wasteful number, since it uses less digits than its factorization.

1551005252434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411161.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1551005252434 in words is "one trillion, five hundred fifty-one billion, five million, two hundred fifty-two thousand, four hundred thirty-four".