1156061264436 has 96 divisors (see below), whose sum is σ = 3233122390400. Its totient is φ = 355119033600.

The previous prime is 1156061264383. The next prime is 1156061264473. The reversal of 1156061264436 is 6344621606511.

1156061264436 is a `hidden beast` number, since 1 + 1 + 5 + 606 + 1 + 2 + 6 + 4 + 4 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1156061264391 and 1156061264400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158775 + ... + 1528833.

Almost surely, 2^{1156061264436} 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 1156061264436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616561195200).

1156061264436 is an abundant number, since it is smaller than the sum of its proper divisors (2077061125964).

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

1156061264436 is a wasteful number, since it uses less digits than its factorization.

1156061264436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370686 (or 1370678 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 1156061264436 in words is "one trillion, one hundred fifty-six billion, sixty-one million, two hundred sixty-four thousand, four hundred thirty-six".