1129957087650 has 48 divisors (see below), whose sum is σ = 2855167061184. Its totient is φ = 295636569280.

The previous prime is 1129957087631. The next prime is 1129957087657. The reversal of 1129957087650 is 567807599211.

It is not an unprimeable number, because it can be changed into a prime (1129957087657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71058534 + ... + 71074433.

It is an arithmetic number, because the mean of its divisors is an integer number (59482647108).

Almost surely, 2^{1129957087650} is an apocalyptic number.

1129957087650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129957087650 is an abundant number, since it is smaller than the sum of its proper divisors (1725209973534).

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

1129957087650 is a wasteful number, since it uses less digits than its factorization.

1129957087650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142133035 (or 142133030 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 60.

The spelling of 1129957087650 in words is "one trillion, one hundred twenty-nine billion, nine hundred fifty-seven million, eighty-seven thousand, six hundred fifty".