1520000655 has 32 divisors (see below), whose sum is σ = 2546933760. Its totient is φ = 772611840.

The previous prime is 1520000569. The next prime is 1520000683. The reversal of 1520000655 is 5560000251.

It is not a de Polignac number, because 1520000655 - 2¹⁹ = 1519476367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89106 + ... + 104784.

It is an arithmetic number, because the mean of its divisors is an integer number (79591680).

Almost surely, 2^1520000655 is an apocalyptic number.

1520000655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1520000655 is a deficient number, since it is larger than the sum of its proper divisors (1026933105).

1520000655 is a wasteful number, since it uses less digits than its factorization.

1520000655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15991.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1520000655 is about 38987.1857794327. The cubic root of 1520000655 is about 1149.7795809437.

The spelling of 1520000655 in words is "one billion, five hundred twenty million, six hundred fifty-five", and thus it is an aban number.