1156907204650 has 12 divisors (see below), whose sum is σ = 2151847400742. Its totient is φ = 462762881840.

The previous prime is 1156907204633. The next prime is 1156907204653. The reversal of 1156907204650 is 564027096511.

It can be written as a sum of positive squares in 3 ways, for example, as 1100717820801 + 56189383849 = 1049151^2 + 237043^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1156907204650.

It is not an unprimeable number, because it can be changed into a prime (1156907204653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11569071997 + ... + 11569072096.

Almost surely, 2^{1156907204650} is an apocalyptic number.

1156907204650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1156907204650 is a deficient number, since it is larger than the sum of its proper divisors (994940196092).

1156907204650 is a wasteful number, since it uses less digits than its factorization.

1156907204650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23138144105 (or 23138144100 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 1156907204650 in words is "one trillion, one hundred fifty-six billion, nine hundred seven million, two hundred four thousand, six hundred fifty".