1601256119995 has 16 divisors (see below), whose sum is σ = 2208141044928. Its totient is φ = 1091937870720.

The previous prime is 1601256119963. The next prime is 1601256119999. The reversal of 1601256119995 is 5999116521061.

It is not a de Polignac number, because 1601256119995 - 2⁵ = 1601256119963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601256119999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126375364 + ... + 126388033.

It is an arithmetic number, because the mean of its divisors is an integer number (138008815308).

Almost surely, 2^{1601256119995} is an apocalyptic number.

1601256119995 is a deficient number, since it is larger than the sum of its proper divisors (606884924933).

1601256119995 is a wasteful number, since it uses less digits than its factorization.

1601256119995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252763590.

The product of its (nonzero) digits is 1312200, while the sum is 55.

The spelling of 1601256119995 in words is "one trillion, six hundred one billion, two hundred fifty-six million, one hundred nineteen thousand, nine hundred ninety-five".