1351520055 has 24 divisors (see below), whose sum is σ = 2347562880. Its totient is φ = 719294400.

The previous prime is 1351520041. The next prime is 1351520063. The reversal of 1351520055 is 5500251531.

1351520055 is a `hidden beast` number, since 135 + 1 + 520 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 1351520055 - 2⁴ = 1351520039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9796 + ... + 52905.

It is an arithmetic number, because the mean of its divisors is an integer number (97815120).

Almost surely, 2^1351520055 is an apocalyptic number.

1351520055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1351520055 is a deficient number, since it is larger than the sum of its proper divisors (996042825).

1351520055 is a wasteful number, since it uses less digits than its factorization.

1351520055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63191 (or 63188 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1351520055 is about 36763.0256507812. The cubic root of 1351520055 is about 1105.6241036688.

Adding to 1351520055 its reverse (5500251531), we get a palindrome (6851771586).

The spelling of 1351520055 in words is "one billion, three hundred fifty-one million, five hundred twenty thousand, fifty-five".