1156401446032 has 80 divisors (see below), whose sum is σ = 2631143104000. Its totient is φ = 481961332224.

The previous prime is 1156401446003. The next prime is 1156401446051. The reversal of 1156401446032 is 2306441046511.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 1156401445982 and 1156401446000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8214058 + ... + 8353654.

It is an arithmetic number, because the mean of its divisors is an integer number (32889288800).

Almost surely, 2^{1156401446032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156401446032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315571552000).

1156401446032 is an abundant number, since it is smaller than the sum of its proper divisors (1474741657968).

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

1156401446032 is a wasteful number, since it uses less digits than its factorization.

1156401446032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141648 (or 141642 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 1156401446032 in words is "one trillion, one hundred fifty-six billion, four hundred one million, four hundred forty-six thousand, thirty-two".