1551360560 has 40 divisors (see below), whose sum is σ = 3608995200. Its totient is φ = 620186112.

The previous prime is 1551360533. The next prime is 1551360571. The reversal of 1551360560 is 650631551.

It is a tau number, because it is divible by the number of its divisors (40).

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, 166916 + ... + 175964.

It is an arithmetic number, because the mean of its divisors is an integer number (90224880).

Almost surely, 2^1551360560 is an apocalyptic number.

1551360560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551360560 is an abundant number, since it is smaller than the sum of its proper divisors (2057634640).

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

1551360560 is a wasteful number, since it uses less digits than its factorization.

1551360560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205 (or 11199 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1551360560 is about 39387.3147091802. The cubic root of 1551360560 is about 1157.6330451464.

The spelling of 1551360560 in words is "one billion, five hundred fifty-one million, three hundred sixty thousand, five hundred sixty".