1505001115255 has 32 divisors (see below), whose sum is σ = 1997580045888. Its totient is φ = 1079406182400.

The previous prime is 1505001115243. The next prime is 1505001115259. The reversal of 1505001115255 is 5525111005051.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1505001115255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505001115259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997179 + ... + 2001091.

It is an arithmetic number, because the mean of its divisors is an integer number (62424376434).

Almost surely, 2^{1505001115255} is an apocalyptic number.

1505001115255 is a deficient number, since it is larger than the sum of its proper divisors (492578930633).

1505001115255 is a wasteful number, since it uses less digits than its factorization.

1505001115255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004307.

The product of its (nonzero) digits is 6250, while the sum is 31.

The spelling of 1505001115255 in words is "one trillion, five hundred five billion, one million, one hundred fifteen thousand, two hundred fifty-five".