1401651288775 has 12 divisors (see below), whose sum is σ = 1758987933192. Its totient is φ = 1107811137440.

The previous prime is 1401651288761. The next prime is 1401651288781. The reversal of 1401651288775 is 5778821561041.

It is not a de Polignac number, because 1401651288775 - 2¹⁹ = 1401650764487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337745224 + ... + 337749373.

It is an arithmetic number, because the mean of its divisors is an integer number (146582327766).

Almost surely, 2^{1401651288775} is an apocalyptic number.

1401651288775 is a deficient number, since it is larger than the sum of its proper divisors (357336644417).

1401651288775 is an equidigital number, since it uses as much as digits as its factorization.

1401651288775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675494690 (or 675494685 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 55.

The spelling of 1401651288775 in words is "one trillion, four hundred one billion, six hundred fifty-one million, two hundred eighty-eight thousand, seven hundred seventy-five".