1401407117511 has 8 divisors (see below), whose sum is σ = 1908299053824. Its totient is φ = 914393296440.

The previous prime is 1401407117503. The next prime is 1401407117533. The reversal of 1401407117511 is 1157117041041.

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

It is not a de Polignac number, because 1401407117511 - 2³ = 1401407117503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401407117111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4969528645 + ... + 4969528926.

It is an arithmetic number, because the mean of its divisors is an integer number (238537381728).

Almost surely, 2^{1401407117511} is an apocalyptic number.

1401407117511 is a deficient number, since it is larger than the sum of its proper divisors (506891936313).

1401407117511 is an equidigital number, since it uses as much as digits as its factorization.

1401407117511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939057621.

The product of its (nonzero) digits is 3920, while the sum is 33.

The spelling of 1401407117511 in words is "one trillion, four hundred one billion, four hundred seven million, one hundred seventeen thousand, five hundred eleven".