1551435423132 has 48 divisors (see below), whose sum is σ = 4270617946112. Its totient is φ = 428968319040.

The previous prime is 1551435423113. The next prime is 1551435423151. The reversal of 1551435423132 is 2313245341551.

It is an interprime number because it is at equal distance from previous prime (1551435423113) and next prime (1551435423151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297892063 + ... + 297897270.

Almost surely, 2^{1551435423132} is an apocalyptic number.

1551435423132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1551435423132 is an abundant number, since it is smaller than the sum of its proper divisors (2719182522980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1551435423132 is a wasteful number, since it uses less digits than its factorization.

1551435423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595789378 (or 595789376 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The spelling of 1551435423132 in words is "one trillion, five hundred fifty-one billion, four hundred thirty-five million, four hundred twenty-three thousand, one hundred thirty-two".