1156303437660 has 864 divisors, whose sum is σ = 4284434778624. Its totient is φ = 251475840000.

The previous prime is 1156303437593. The next prime is 1156303437689. The reversal of 1156303437660 is 667343036511.

1156303437660 is a `hidden beast` number, since 1 + 1 + 5 + 630 + 3 + 4 + 3 + 7 + 6 + 6 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3493363695 + ... + 3493364025.

Almost surely, 2^{1156303437660} is an apocalyptic number.

1156303437660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156303437660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142217389312).

1156303437660 is an abundant number, since it is smaller than the sum of its proper divisors (3128131340964).

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

1156303437660 is a wasteful number, since it uses less digits than its factorization.

1156303437660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 1156303437660 in words is "one trillion, one hundred fifty-six billion, three hundred three million, four hundred thirty-seven thousand, six hundred sixty".