1001601254265 has 64 divisors (see below), whose sum is σ = 1665601436160. Its totient is φ = 513350369280.

The previous prime is 1001601254243. The next prime is 1001601254279. The reversal of 1001601254265 is 5624521061001.

It is not a de Polignac number, because 1001601254265 - 2⁸ = 1001601254009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181216932 + ... + 181222458.

It is an arithmetic number, because the mean of its divisors is an integer number (26025022440).

Almost surely, 2^{1001601254265} is an apocalyptic number.

1001601254265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001601254265 is a deficient number, since it is larger than the sum of its proper divisors (664000181895).

1001601254265 is a wasteful number, since it uses less digits than its factorization.

1001601254265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 1001601254265 in words is "one trillion, one billion, six hundred one million, two hundred fifty-four thousand, two hundred sixty-five".