1401123109995 has 24 divisors (see below), whose sum is σ = 2775558161376. Its totient is φ = 640513421568.

The previous prime is 1401123109993. The next prime is 1401123110011. The reversal of 1401123109995 is 5999013211041.

It is a happy number.

1401123109995 is a `hidden beast` number, since 1 + 401 + 1 + 231 + 0 + 9 + 9 + 9 + 5 = 666.

It is not a de Polignac number, because 1401123109995 - 2¹ = 1401123109993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1401123109995.

It is not an unprimeable number, because it can be changed into a prime (1401123109993) 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 23 ways as a sum of consecutive naturals, for example, 2224004622 + ... + 2224005251.

It is an arithmetic number, because the mean of its divisors is an integer number (115648256724).

Almost surely, 2^{1401123109995} is an apocalyptic number.

1401123109995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401123109995 is a deficient number, since it is larger than the sum of its proper divisors (1374435051381).

1401123109995 is a wasteful number, since it uses less digits than its factorization.

1401123109995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448009891 (or 4448009888 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 1401123109995 in words is "one trillion, four hundred one billion, one hundred twenty-three million, one hundred nine thousand, nine hundred ninety-five".