1551605152 has 12 divisors (see below), whose sum is σ = 3054722706. Its totient is φ = 775802560.

The previous prime is 1551605141. The next prime is 1551605171. The reversal of 1551605152 is 2515061551.

It can be written as a sum of positive squares in only one way, i.e., 924403216 + 627201936 = 30404^2 + 25044^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24243799 + ... + 24243862.

Almost surely, 2^1551605152 is an apocalyptic number.

It is an amenable number.

1551605152 is a deficient number, since it is larger than the sum of its proper divisors (1503117554).

1551605152 is an equidigital number, since it uses as much as digits as its factorization.

1551605152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48487671 (or 48487663 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The square root of 1551605152 is about 39390.4195458743. The cubic root of 1551605152 is about 1157.6938805425.

The spelling of 1551605152 in words is "one billion, five hundred fifty-one million, six hundred five thousand, one hundred fifty-two".