1601115255 has 40 divisors (see below), whose sum is σ = 2878671312. Its totient is φ = 851392512.

The previous prime is 1601115223. The next prime is 1601115331. The reversal of 1601115255 is 5525111061.

1601115255 is a `hidden beast` number, since 1 + 601 + 1 + 1 + 5 + 2 + 55 = 666.

It is not a de Polignac number, because 1601115255 - 2⁵ = 1601115223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134839 + ... + 146231.

Almost surely, 2^1601115255 is an apocalyptic number.

1601115255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601115255 is a deficient number, since it is larger than the sum of its proper divisors (1277556057).

1601115255 is a wasteful number, since it uses less digits than its factorization.

1601115255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11757 (or 11748 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 1601115255 is about 40013.9382590617. The cubic root of 1601115255 is about 1169.8787842863.

The spelling of 1601115255 in words is "one billion, six hundred one million, one hundred fifteen thousand, two hundred fifty-five".