1375858585851 has 8 divisors (see below), whose sum is σ = 1873509563904. Its totient is φ = 897723332520.

The previous prime is 1375858585823. The next prime is 1375858585879. The reversal of 1375858585851 is 1585858585731.

It is an interprime number because it is at equal distance from previous prime (1375858585823) and next prime (1375858585879).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1375858585851 - 2⁷ = 1375858585723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375858585051) 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 7 ways as a sum of consecutive naturals, for example, 4878931015 + ... + 4878931296.

It is an arithmetic number, because the mean of its divisors is an integer number (234188695488).

Almost surely, 2^{1375858585851} is an apocalyptic number.

1375858585851 is a deficient number, since it is larger than the sum of its proper divisors (497650978053).

1375858585851 is an equidigital number, since it uses as much as digits as its factorization.

1375858585851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757862361.

The product of its digits is 268800000, while the sum is 69.

The spelling of 1375858585851 in words is "one trillion, three hundred seventy-five billion, eight hundred fifty-eight million, five hundred eighty-five thousand, eight hundred fifty-one".