1401627531171 has 32 divisors (see below), whose sum is σ = 2221311144448. Its totient is φ = 769479056640.

The previous prime is 1401627531169. The next prime is 1401627531191. The reversal of 1401627531171 is 1711357261041.

It is a happy number.

It is not a de Polignac number, because 1401627531171 - 2¹ = 1401627531169 is a prime.

It is a super-2 number, since 2×1401627531171² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401627531191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12667786 + ... + 12777951.

It is an arithmetic number, because the mean of its divisors is an integer number (69415973264).

Almost surely, 2^{1401627531171} is an apocalyptic number.

1401627531171 is a deficient number, since it is larger than the sum of its proper divisors (819683613277).

1401627531171 is a wasteful number, since it uses less digits than its factorization.

1401627531171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25445851.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 1401627531171 in words is "one trillion, four hundred one billion, six hundred twenty-seven million, five hundred thirty-one thousand, one hundred seventy-one".