1311555405032 has 16 divisors (see below), whose sum is σ = 2538494332800. Its totient is φ = 634623582960.

The previous prime is 1311555404969. The next prime is 1311555405037. The reversal of 1311555405032 is 2305045551131.

It is a junction number, because it is equal to n+sod(n) for n = 1311555404983 and 1311555405001.

It is not an unprimeable number, because it can be changed into a prime (1311555405037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644264682 + ... + 2644265177.

It is an arithmetic number, because the mean of its divisors is an integer number (158655895800).

Almost surely, 2^{1311555405032} is an apocalyptic number.

It is an amenable number.

1311555405032 is a deficient number, since it is larger than the sum of its proper divisors (1226938927768).

1311555405032 is a wasteful number, since it uses less digits than its factorization.

1311555405032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288529896 (or 5288529892 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1311555405032 in words is "one trillion, three hundred eleven billion, five hundred fifty-five million, four hundred five thousand, thirty-two".