1403512121116 has 48 divisors (see below), whose sum is σ = 2812729651200. Its totient is φ = 600283474560.

The previous prime is 1403512121101. The next prime is 1403512121131. The reversal of 1403512121116 is 6111212153041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1403512121101) and next prime (1403512121131).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42368976 + ... + 42402088.

It is an arithmetic number, because the mean of its divisors is an integer number (58598534400).

Almost surely, 2^{1403512121116} is an apocalyptic number.

It is an amenable number.

1403512121116 is an abundant number, since it is smaller than the sum of its proper divisors (1409217530084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1403512121116 is a wasteful number, since it uses less digits than its factorization.

1403512121116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36154 (or 36152 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 1403512121116 its reverse (6111212153041), we get a palindrome (7514724274157).

The spelling of 1403512121116 in words is "one trillion, four hundred three billion, five hundred twelve million, one hundred twenty-one thousand, one hundred sixteen".