1256616001102 has 32 divisors (see below), whose sum is σ = 2350468915200. Its totient is φ = 489500275680.

The previous prime is 1256616001031. The next prime is 1256616001103. The reversal of 1256616001102 is 2011006166521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256616001103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 86899 + ... + 1587697.

It is an arithmetic number, because the mean of its divisors is an integer number (73452153600).

Almost surely, 2^{1256616001102} is an apocalyptic number.

1256616001102 is a deficient number, since it is larger than the sum of its proper divisors (1093852914098).

1256616001102 is a wasteful number, since it uses less digits than its factorization.

1256616001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506256.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 1256616001102 in words is "one trillion, two hundred fifty-six billion, six hundred sixteen million, one thousand, one hundred two".