151121606432 has 24 divisors (see below), whose sum is σ = 297749079936. Its totient is φ = 75502792512.

The previous prime is 151121606401. The next prime is 151121606453. The reversal of 151121606432 is 234606121151.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770488 + ... + 1853879.

It is an arithmetic number, because the mean of its divisors is an integer number (12406211664).

Almost surely, 2^151121606432 is an apocalyptic number.

It is an amenable number.

151121606432 is a deficient number, since it is larger than the sum of its proper divisors (146627473504).

151121606432 is a wasteful number, since it uses less digits than its factorization.

151121606432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625680 (or 3625672 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 151121606432 its reverse (234606121151), we get a palindrome (385727727583).

The spelling of 151121606432 in words is "one hundred fifty-one billion, one hundred twenty-one million, six hundred six thousand, four hundred thirty-two".