1401211144465 has 32 divisors (see below), whose sum is σ = 1846777605120. Its totient is φ = 1012147550400.

The previous prime is 1401211144393. The next prime is 1401211144471. The reversal of 1401211144465 is 5644411121041.

It is not a de Polignac number, because 1401211144465 - 2¹¹ = 1401211142417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401211144465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11503330 + ... + 11624500.

It is an arithmetic number, because the mean of its divisors is an integer number (57711800160).

Almost surely, 2^{1401211144465} is an apocalyptic number.

It is an amenable number.

1401211144465 is a deficient number, since it is larger than the sum of its proper divisors (445566460655).

1401211144465 is a wasteful number, since it uses less digits than its factorization.

1401211144465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122613.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 1401211144465 in words is "one trillion, four hundred one billion, two hundred eleven million, one hundred forty-four thousand, four hundred sixty-five".